diff --git a/includes/class-newspack-ui.php b/includes/class-newspack-ui.php
index 26a46003c1..8544a892d3 100644
--- a/includes/class-newspack-ui.php
+++ b/includes/class-newspack-ui.php
@@ -18,6 +18,7 @@ class Newspack_UI {
 	 */
 	public static function init() {
 		\add_action( 'wp_enqueue_scripts', [ __CLASS__, 'enqueue_styles' ] );
+		\add_action( 'enqueue_block_editor_assets', [ __CLASS__, 'enqueue_styles' ] );
 		\add_filter( 'the_content', [ __CLASS__, 'load_demo' ] );
 		// Only run if the site is using a block theme.
 		if ( wp_theme_has_theme_json() ) {
diff --git a/includes/reader-activation/class-reader-activation.php b/includes/reader-activation/class-reader-activation.php
index 9a9ec84752..fe2d397a7d 100644
--- a/includes/reader-activation/class-reader-activation.php
+++ b/includes/reader-activation/class-reader-activation.php
@@ -1429,7 +1429,7 @@ private static function render_newsletters_signup_form( $email_address, $newslet
 					foreach ( $newsletters_lists as $list ) {
 						$checkbox_id = sprintf( 'newspack-plugin-list-%s', $list['id'] );
 						?>
-						<label class="newspack-ui__input-card">
+						<label class="newspack-ui__input-card" for="<?php echo \esc_attr( $checkbox_id ); ?>">
 							<input
 								type="checkbox"
 								name="lists[]"
@@ -1643,47 +1643,43 @@ public static function render_subscription_lists_inputs( $lists = [], $checked =
 
 		$checked_map = array_flip( $checked );
 		?>
-		<div class="<?php echo \esc_attr( $class() ); ?>">
 			<?php if ( 1 < count( $lists ) && ! empty( $config['title'] ) ) : ?>
-				<h3><?php echo \esc_html( $config['title'] ); ?></h3>
+				<h3 class="screen-reader-text"><?php echo \esc_html( $config['title'] ); ?></h3>
+			<?php endif; ?>
+			<?php if ( ! $config['show_description'] ) : ?>
+				<div class="newspack-ui__box newspack-ui__box--border">
 			<?php endif; ?>
-			<ul>
 				<?php
 				foreach ( $lists as $list_id => $list ) :
 					$checkbox_id = sprintf( 'newspack-%s-list-checkbox-%s', $id, $list_id );
 					?>
-					<li>
-						<span class="<?php echo \esc_attr( $class( 'checkbox' ) ); ?>">
-							<input
-								type="checkbox"
-								name="<?php echo \esc_attr( $config['name'] ); ?>[]"
-								value="<?php echo \esc_attr( $list_id ); ?>"
-								id="<?php echo \esc_attr( $checkbox_id ); ?>"
-								<?php if ( isset( $checked_map[ $list_id ] ) ) : ?>
-									checked
-								<?php endif; ?>
-							/>
-						</span>
-						<span class="<?php echo \esc_attr( $class( 'details' ) ); ?>">
-							<label class="<?php echo \esc_attr( $class( 'label' ) ); ?>" for="<?php echo \esc_attr( $checkbox_id ); ?>">
-								<span class="<?php echo \esc_attr( $class( 'title' ) ); ?>">
-									<?php
-									if ( 1 === count( $lists ) ) {
-										echo \wp_kses_post( $config['single_label'] );
-									} else {
-										echo \esc_html( $list['title'] );
-									}
-									?>
-								</span>
-								<?php if ( $config['show_description'] ) : ?>
-									<span class="<?php echo \esc_attr( $class( 'description' ) ); ?>"><?php echo \esc_html( $list['description'] ); ?></span>
-								<?php endif; ?>
-							</label>
-						</span>
-					</li>
+					<label class="newspack-ui__input-card" for="<?php echo \esc_attr( $checkbox_id ); ?>">
+						<input
+							type="checkbox"
+							name="<?php echo \esc_attr( $config['name'] ); ?>[]"
+							value="<?php echo \esc_attr( $list_id ); ?>"
+							id="<?php echo \esc_attr( $checkbox_id ); ?>"
+							<?php if ( isset( $checked_map[ $list_id ] ) ) : ?>
+								checked
+							<?php endif; ?>
+						/>
+						<strong>
+							<?php
+							if ( 1 === count( $lists ) ) {
+								echo \wp_kses_post( $config['single_label'] );
+							} else {
+								echo \esc_html( $list['title'] );
+							}
+							?>
+						</strong>
+						<?php if ( $config['show_description'] ) : ?>
+							<span class="newspack-ui__helper-text"><?php echo \esc_html( $list['description'] ); ?></span>
+						<?php endif; ?>
+					</label>
 				<?php endforeach; ?>
-			</ul>
-		</div>
+			<?php if ( ! $config['show_description'] ) : ?>
+				</div>
+			<?php endif; ?>
 		<?php
 	}
 
diff --git a/src/blocks/reader-registration/block.json b/src/blocks/reader-registration/block.json
index 0c29e9484e..e7302bcc6c 100644
--- a/src/blocks/reader-registration/block.json
+++ b/src/blocks/reader-registration/block.json
@@ -38,10 +38,6 @@
 			"type": "boolean",
 			"default": false
 		},
-		"newsletterTitle": {
-			"type": "string",
-			"default": "Newsletters"
-		},
 		"newsletterLabel": {
 			"type": "string",
 			"default": "Subscribe to our newsletter"
@@ -57,13 +53,9 @@
 			"type": "object",
 			"default": {}
 		},
-		"haveAccountLabel": {
-			"type": "string",
-			"default": "Already have an account?"
-		},
 		"signInLabel": {
 			"type": "string",
-			"default": "Sign in"
+			"default": "Sign in to an existing account"
 		},
 		"signedInLabel": {
 			"type": "string",
diff --git a/src/blocks/reader-registration/edit.js b/src/blocks/reader-registration/edit.js
index 839b46bdce..3d7b9c2dbe 100644
--- a/src/blocks/reader-registration/edit.js
+++ b/src/blocks/reader-registration/edit.js
@@ -25,6 +25,8 @@ import {
 	ToggleControl,
 	PanelBody,
 	Button,
+	SVG,
+	Path,
 } from '@wordpress/components';
 
 /**
@@ -52,14 +54,11 @@ export default function ReaderRegistrationEdit( {
 		newsletterSubscription,
 		displayListDescription,
 		hideSubscriptionInput,
-		newsletterTitle,
 		newsletterLabel,
-		haveAccountLabel,
 		signInLabel,
 		signedInLabel,
 		lists,
 		listsCheckboxes,
-		className,
 	},
 } ) {
 	const blockProps = useBlockProps();
@@ -82,7 +81,10 @@ export default function ReaderRegistrationEdit( {
 					'core/paragraph',
 					{
 						align: 'center',
-						content: __( 'Thank you for registering!', 'newspack-plugin' ),
+						content: __(
+							'Success! Your account was created and you’re signed in.',
+							'newspack-plugin'
+						),
 					},
 				],
 			],
@@ -256,30 +258,16 @@ export default function ReaderRegistrationEdit( {
 					</div>
 				</div>
 				{ editedState === 'initial' && (
-					<div className={ `newspack-registration ${ className }` }>
-						<form onSubmit={ ( ev ) => ev.preventDefault() }>
-							<div className="newspack-registration__have-account">
-								<RichText
-									onChange={ ( value ) => setAttributes( { haveAccountLabel: value } ) }
-									placeholder={ __( 'Already have an account?', 'newspack-plugin' ) }
-									value={ haveAccountLabel }
-									tagName="span"
-								/>{ ' ' }
-								<a href="/my-account" onClick={ ( ev ) => ev.preventDefault() }>
-									<RichText
-										onChange={ ( value ) => setAttributes( { signInLabel: value } ) }
-										placeholder={ __( 'Sign In', 'newspack-plugin' ) }
-										value={ signInLabel }
-										tagName="span"
-									/>
-								</a>
-							</div>
+					<div className="newspack-registration newspack-ui">
+						<form onSubmit={ ev => ev.preventDefault() }>
 							<div className="newspack-registration__header">
 								<RichText
 									onChange={ ( value ) => setAttributes( { title: value } ) }
 									placeholder={ __( 'Add title', 'newspack-plugin' ) }
 									value={ title }
-									tagName="h2"
+									allowedFormats={ [] }
+									tagName="h3"
+									className="newspack-registration__title"
 								/>
 							</div>
 							<RichText
@@ -287,71 +275,53 @@ export default function ReaderRegistrationEdit( {
 								placeholder={ __( 'Add description', 'newspack-plugin' ) }
 								value={ description }
 								tagName="p"
+								className="newspack-registration__description"
 							/>
 							<div className="newspack-registration__form-content">
 								{ ! shouldHideSubscribeInput() && newsletterSubscription && lists.length ? (
-									<div className="newspack-reader__lists">
-										{ lists?.length > 1 && (
-											<RichText
-												onChange={ ( value ) => setAttributes( { newsletterTitle: value } ) }
-												placeholder={ __( 'Newsletters title…', 'newspack-plugin' ) }
-												value={ newsletterTitle }
-												tagName="h3"
-											/>
-										) }
-										<ul>
-											{ lists.map( ( listId ) => (
-												<li key={ listId }>
-													<span className="newspack-reader__lists__checkbox">
-														<input
-															id={ getListCheckboxId( listId ) }
-															type="checkbox"
-															checked={ isListSelected( listId ) }
-															onChange={ toggleListCheckbox( listId ) }
+									<>
+										{ lists.map( listId => (
+											<label
+												key={ listId }
+												htmlFor={ getListCheckboxId( listId ) }
+												className="newspack-ui__input-card"
+											>
+												<input
+													id={ getListCheckboxId( listId ) }
+													type="checkbox"
+													checked={ isListSelected( listId ) }
+													onChange={ toggleListCheckbox( listId ) }
+												/>
+												<strong>
+													{ lists.length === 1 ? (
+														<RichText
+															onChange={ value => setAttributes( { newsletterLabel: value } ) }
+															placeholder={ __( 'Subscribe to our newsletter', 'newspack-plugin' ) }
+															value={ newsletterLabel }
+															allowedFormats={ [] }
+															tagName="span"
 														/>
+													) : (
+														listConfig[ listId ]?.title
+													) }
+												</strong>
+												{ displayListDescription && (
+													<span className="newspack-ui__helper-text">
+														{ listConfig[ listId ]?.description }
 													</span>
-													<span className="newspack-reader__lists__details">
-														<label
-															htmlFor={ getListCheckboxId( listId ) }
-															className="newspack-reader__lists__label"
-														>
-															<span className="newspack-reader__lists__title">
-																{ lists.length === 1 ? (
-																	<RichText
-																		onChange={ ( value ) =>
-																			setAttributes( { newsletterLabel: value } )
-																		}
-																		placeholder={ __(
-																			'Subscribe to our newsletter',
-																			'newspack-plugin'
-																		) }
-																		value={ newsletterLabel }
-																		tagName="span"
-																	/>
-																) : (
-																	listConfig[ listId ]?.title
-																) }
-															</span>
-															{ displayListDescription && (
-																<span className="newspack-reader__lists__description">
-																	{ listConfig[ listId ]?.description }
-																</span>
-															) }
-														</label>
-													</span>
-												</li>
-											) ) }
-										</ul>
-									</div>
+												) }
+											</label>
+										) ) }
+									</>
 								) : null }
 								<div className="newspack-registration__main">
 									{ newspack_blocks.has_google_oauth && (
-										<div className="newspack-reader__logins">
-											<button className="newspack-reader__logins__google">
+										<div className="newspack-ui">
+											<button className="newspack-ui__button newspack-ui__button--wide newspack-ui__button--secondary newspack-ui__button--google-oauth">
 												<span
 													dangerouslySetInnerHTML={ { __html: newspack_blocks.google_logo_svg } }
 												/>
-												<span>{ __( 'Sign in with Google', 'newspack-plugin' ) }</span>
+												{ __( 'Sign in with Google', 'newspack-plugin' ) }
 											</button>
 											<div className="newspack-ui__word-divider">
 												{ __( 'Or', 'newspack-plugin' ) }
@@ -361,48 +331,84 @@ export default function ReaderRegistrationEdit( {
 									<div>
 										<div className="newspack-registration__inputs">
 											<input type="email" placeholder={ placeholder } />
-											<button type="submit">
+											<button
+												type="submit"
+												className="newspack-ui__button newspack-ui__button--primary"
+											>
 												<RichText
 													onChange={ ( value ) => setAttributes( { label: value } ) }
 													placeholder={ __( 'Sign up', 'newspack-plugin' ) }
 													value={ label }
+													allowedFormats={ [] }
 													tagName="span"
 												/>
 											</button>
 										</div>
-
 										<div className="newspack-registration__response" />
 									</div>
-									<div className="newspack-registration__help-text">
-										<RichText
-											onChange={ ( value ) => setAttributes( { privacyLabel: value } ) }
-											placeholder={ __( 'Terms & Conditions statement…', 'newspack-plugin' ) }
-											value={ privacyLabel || defaultTermsText }
-											tagName="p"
-										/>
-									</div>
 								</div>
 							</div>
+							<div className="newspack-registration__have-account">
+								<a
+									href="/my-account"
+									onClick={ ev => ev.preventDefault() }
+									className="newspack-ui__button newspack-ui__button--ghost"
+								>
+									<RichText
+										onChange={ value => setAttributes( { signInLabel: value } ) }
+										placeholder={ __( 'Sign in to an existing account', 'newspack-plugin' ) }
+										value={ signInLabel }
+										allowedFormats={ [] }
+										tagName="span"
+									/>
+								</a>
+							</div>
+							<div className="newspack-registration__help-text">
+								<RichText
+									onChange={ value => setAttributes( { privacyLabel: value } ) }
+									placeholder={ __( 'Terms & Conditions statement…', 'newspack-plugin' ) }
+									value={ privacyLabel || defaultTermsText }
+									allowedFormats={ [ 'core/bold', 'core/italic', 'core/link' ] }
+									tagName="p"
+								/>
+							</div>
 						</form>
 					</div>
 				) }
 				{ editedState === 'registration' && (
-					<>
-						<span className="newspack-registration__icon" />
-						<div { ...innerBlocksProps } />
-					</>
+					<div className="newspack-registration newspack-ui">
+						<div className="newspack-ui__box newspack-ui__box--success newspack-ui__box--text-center">
+							<span className="newspack-ui__icon newspack-ui__icon--success">
+								<SVG width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+									<Path d="M16.7 7.1l-6.3 8.5-3.3-2.5-.9 1.2 4.5 3.4L17.9 8z" />
+								</SVG>
+							</span>
+							<div { ...innerBlocksProps } />
+						</div>
+					</div>
 				) }
 				{ editedState === 'login' && (
-					<>
-						<span className="newspack-registration__icon" />
-						<RichText
-							align="center"
-							onChange={ ( value ) => setAttributes( { signedInLabel: value } ) }
-							placeholder={ __( 'Logged in message…', 'newspack-plugin' ) }
-							value={ signedInLabel }
-							tagName="p"
-						/>
-					</>
+					<div className="newspack-registration newspack-ui">
+						<div className="newspack-ui__box newspack-ui__box--success newspack-ui__box--text-center">
+							<span className="newspack-ui__icon newspack-ui__icon--success">
+								<SVG width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+									<Path
+										fillRule="evenodd"
+										clipRule="evenodd"
+										d="M19.5854 12.6708C19.8395 12.5438 20 12.2841 20 12C20 11.7159 19.8395 11.4562 19.5854 11.3292L5.08543 4.0792C4.79841 3.93569 4.45187 3.99069 4.22339 4.21602C3.9949 4.44135 3.93509 4.78709 4.07461 5.07608L7.4172 12L4.07461 18.924C3.93509 19.213 3.9949 19.5587 4.22339 19.784C4.45187 20.0094 4.79841 20.0644 5.08543 19.9208L19.5854 12.6708ZM8.72077 11.25L6.38144 6.40425L17.573 12L6.38144 17.5958L8.72079 12.75H12V11.25H8.72077Z"
+									/>
+								</SVG>
+							</span>
+							<RichText
+								align="center"
+								onChange={ value => setAttributes( { signedInLabel: value } ) }
+								placeholder={ __( 'Logged in message…', 'newspack-plugin' ) }
+								value={ signedInLabel }
+								allowedFormats={ [] }
+								tagName="p"
+							/>
+						</div>
+					</div>
 				) }
 			</div>
 		</>
diff --git a/src/blocks/reader-registration/editor.scss b/src/blocks/reader-registration/editor.scss
index 38feefcb9b..a4c67c480d 100644
--- a/src/blocks/reader-registration/editor.scss
+++ b/src/blocks/reader-registration/editor.scss
@@ -1,70 +1,15 @@
 @use "./style";
-@use "../../reader-activation-auth/style.scss" as auth;
+@use "../../reader-activation-auth/style" as auth;
 @use "~@wordpress/base-styles/colors" as wp-colors;
 
 .newspack-registration {
-	font-size: inherit;
-
-	form {
-		padding-top: 0;
-
-		input[type="email"] {
-			background: #fff;
-			border: solid 1px #ccc;
-			box-sizing: border-box;
-			font-size: inherit;
-			outline: none;
-			padding: 0.36rem 0.66rem;
-			appearance: none;
-			outline-offset: 0;
-			border-radius: 0;
-		}
-		[type="submit"] {
-			transition: background-color 150ms ease-in-out;
-			background-color: #d33;
-			border: none;
-			border-radius: 5px;
-			box-sizing: border-box;
-			display: inline-block;
-			color: #fff;
-			font-family:
-				-apple-system,
-				blinkmacsystemfont,
-				"Segoe UI",
-				Roboto,
-				Oxygen,
-				Ubuntu,
-				Cantarell,
-				"Fira Sans",
-				"Droid Sans",
-				"Helvetica Neue",
-				sans-serif;
-			font-size: 0.8em;
-			font-weight: 700;
-			line-height: 1.2;
-			outline: none;
-			padding: 0.76rem 1rem;
-			text-decoration: none;
-			vertical-align: bottom;
-		}
-	}
 	&__state-bar {
 		align-items: center;
+		background: white;
 		border: 1px solid wp-colors.$gray-900;
 		border-radius: 2px;
-		display: flex;
-		font-family:
-			-apple-system,
-			blinkmacsystemfont,
-			"Segoe UI",
-			Roboto,
-			Oxygen,
-			Ubuntu,
-			Cantarell,
-			"Fira Sans",
-			"Droid Sans",
-			"Helvetica Neue",
-			sans-serif;
+		display: none;
+		font-family: system-ui, sans-serif;
 		flex-wrap: wrap;
 		font-size: 13px;
 		gap: 8px;
@@ -73,11 +18,13 @@
 		margin-bottom: 12px;
 		padding: 7px 8px;
 		button {
+			background: none !important;
+			border-radius: 2px !important;
 			box-shadow: none !important;
 			color: wp-colors.$gray-900 !important;
 			height: 32px !important;
 			&[data-is-active="true"] {
-				background-color: wp-colors.$gray-900;
+				background: wp-colors.$gray-900 !important;
 				color: white !important;
 			}
 			&:hover:not([data-is-active="true"]) {
@@ -92,102 +39,130 @@
 			gap: 4px;
 		}
 	}
-	& &__header {
-		font-size: 0.8em;
 
-		h2 {
-			font-size: 1rem;
-			line-height: 1.3333;
+	& &__title {
+		font-family: var(--newspack-ui-font-family);
+	}
+
+	&__main {
+		gap: 0;
 
-			@media screen and ( min-width: 600px ) {
-				font-size: 1.3125em;
-				line-height: 1.5238;
+		button[class*="oauth"] {
+			svg {
+				display: block;
 			}
 		}
+	}
 
-		p {
-			font-size: 1em;
+	&__form-content {
+		&:not(:has(.newspack-ui__helper-text)) {
+			.newspack-ui__input-card {
+				border-bottom-width: 0 !important;
+				border-radius: 0 !important;
+				border-top-width: 0 !important;
+
+				strong {
+					font-weight: 400;
+				}
+
+				&:has(input[type="checkbox"]:checked) {
+					background: transparent;
+					border-color: var(--newspack-ui-color-border);
+				}
+
+				&:first-of-type {
+					border-top-left-radius: var(--newspack-ui-border-radius-m) !important;
+					border-top-right-radius: var(--newspack-ui-border-radius-m) !important;
+					border-top-width: 1px !important;
+				}
+
+				&:last-of-type {
+					border-bottom-left-radius: var(--newspack-ui-border-radius-m) !important;
+					border-bottom-right-radius: var(--newspack-ui-border-radius-m) !important;
+					border-bottom-width: 1px !important;
+				}
+
+				+ .newspack-ui__input-card {
+					margin-top: calc(-1 * var(--newspack-ui-spacer-2)) !important;
+					padding-top: 0 !important;
+				}
+			}
 		}
 	}
-	&__help-text {
-		margin-top: 1em;
 
-		p {
-			font-size: 0.55em !important;
-			margin: 0;
+	&__inputs,
+	&__have-account {
+		.newspack-ui__button {
+			cursor: default;
+			font-family: var(--newspack-ui-font-family) !important;
+
+			&:focus {
+				box-shadow: none;
+				outline: unset;
+			}
+		}
+
+		.rich-text [data-rich-text-placeholder] {
+			width: 100%;
+
+			&::after {
+				opacity: 1;
+			}
 		}
 	}
+
+	&__help-text {
+		.rich-text {
+			font-size: var(--newspack-ui-font-size-xs);
+			line-height: var(--newspack-ui-line-height-xs);
+		}
+	}
+
 	&__response {
 		display: none;
 	}
-	&__icon {
-		+ .block-editor-block-list__layout p,
-		+ .block-editor-rich-text__editable {
-			font-size: 0.8em;
-		}
-	}
-}
 
-.newspack-reader {
-	&__logins {
-		button {
-			padding: 0.76rem 1rem;
-			border: none;
-			border-radius: 5px;
-			font-size: 0.8em;
-			font-family: sans-serif;
-			font-weight: 700;
-		}
+	button:focus,
+	a:focus {
+		outline: none !important;
 	}
-}
 
-.wp-block-newspack-reader-registration {
-	.block-editor-block-list__layout {
-		margin: 0 auto;
-		max-width: 780px;
+	.newspack-ui__box--success {
+		font-size: var(--newspack-ui-font-size-s);
+		font-weight: 600;
+		line-height: var(--newspack-ui-line-height-s);
+		margin: 0 !important;
 
 		.block-list-appender {
 			position: relative;
+			width: 100%;
 		}
-	}
 
-	.newspack-registration {
-		div {
-			a {
-				color: inherit;
-				cursor: pointer;
-				text-decoration: underline;
-
-				&:active,
-				&:focus,
-				&:hover {
-					color: inherit;
-					text-decoration: none;
-				}
-			}
+		p {
+			font-size: inherit;
+			font-weight: inherit;
+			line-height: inherit;
 		}
 
-		form {
-			> p {
-				font-size: 0.8em;
-			}
+		> * {
+			margin-bottom: var(--newspack-ui-spacer-2);
+			margin-top: var(--newspack-ui-spacer-2);
+		}
+
+		> :first-child {
+			margin-top: 0;
+		}
+
+		> :last-child {
+			margin-bottom: 0;
 		}
 	}
 }
 
-.newspack-ui__word-divider {
-	align-items: center;
-	display: flex;
-	font-size: 14px;
-	gap: 12px;
-	justify-content: space-evenly;
-	margin: 24px 0;
-
-	&::before,
-	&::after {
-		border-top: 1px solid #ddd;
-		content: "";
-		display: block;
-		width: 100%;
+.wp-block-newspack-reader-registration {
+	&.is-selected {
+		.newspack-registration__state-bar {
+			display: flex;
+		}
 	}
 }
diff --git a/src/blocks/reader-registration/index.php b/src/blocks/reader-registration/index.php
index 2c6c7d0fef..a6828584d0 100644
--- a/src/blocks/reader-registration/index.php
+++ b/src/blocks/reader-registration/index.php
@@ -31,22 +31,6 @@ function register_block() {
 	if ( ! Reader_Activation::is_enabled() ) {
 		return;
 	}
-
-	\register_block_style(
-		'newspack/reader-registration',
-		[
-			'name'       => 'stacked',
-			'label'      => __( 'Stacked', 'newspack-plugin' ),
-			'is_default' => true,
-		]
-	);
-	\register_block_style(
-		'newspack/reader-registration',
-		[
-			'name'  => 'columns',
-			'label' => __( 'Columns (newsletter subscription)', 'newspack-plugin' ),
-		]
-	);
 }
 add_action( 'init', __NAMESPACE__ . '\\register_block' );
 
@@ -112,7 +96,7 @@ function render_block( $attrs, $content ) {
 	$registered      = false;
 	$my_account_url  = function_exists( 'wc_get_account_endpoint_url' ) ? \wc_get_account_endpoint_url( 'dashboard' ) : false;
 	$message         = '';
-	$success_message = __( 'Thank you for registering!', 'newspack-plugin' ) . '<br />';
+	$success_message = __( 'Success! Your account was created and you’re signed in.', 'newspack-plugin' ) . '<br />';
 
 	if ( $my_account_url ) {
 		$success_message .= sprintf(
@@ -124,12 +108,10 @@ function render_block( $attrs, $content ) {
 
 	/** Handle default attributes. */
 	$default_attrs = [
-		'style'            => 'stacked',
-		'label'            => __( 'Sign up', 'newspack-plugin' ),
-		'newsletterLabel'  => __( 'Subscribe to our newsletter', 'newspack-plugin' ),
-		'haveAccountLabel' => __( 'Already have an account?', 'newspack-plugin' ),
-		'signInLabel'      => __( 'Sign in', 'newspack-plugin' ),
-		'signedInLabel'    => __( 'An account was already registered with this email. Please check your inbox for an authentication link.', 'newspack-plugin' ),
+		'label'           => __( 'Sign up', 'newspack-plugin' ),
+		'newsletterLabel' => __( 'Subscribe to our newsletter', 'newspack-plugin' ),
+		'signInLabel'     => __( 'Sign in to an existing account', 'newspack-plugin' ),
+		'signedInLabel'   => __( 'An account was already registered with this email. Please check your inbox for an authentication link.', 'newspack-plugin' ),
 	];
 	$attrs         = \wp_parse_args( $attrs, $default_attrs );
 	foreach ( $default_attrs as $key => $value ) {
@@ -179,12 +161,12 @@ function render_block( $attrs, $content ) {
 
 	$success_registration_markup = $content;
 	if ( empty( \wp_strip_all_tags( $content ) ) ) {
-		$success_registration_markup = '<p class="has-text-align-center">' . $success_message . '</p>';
+		$success_registration_markup = '<p>' . $success_message . '</p>';
 	}
 
 	$success_login_markup = $attrs['signedInLabel'];
 	if ( ! empty( \wp_strip_all_tags( $attrs['signedInLabel'] ) ) ) {
-		$success_login_markup = '<p class="has-text-align-center">' . $attrs['signedInLabel'] . '</p>';
+		$success_login_markup = '<p>' . $attrs['signedInLabel'] . '</p>';
 	}
 
 	$checked = [];
@@ -198,25 +180,23 @@ function render_block( $attrs, $content ) {
 
 	ob_start();
 	?>
-	<div class="newspack-registration <?php echo esc_attr( get_block_classes( $attrs ) ); ?>">
+	<div class="newspack-registration newspack-ui <?php echo esc_attr( get_block_classes( $attrs ) ); ?>">
 		<?php if ( $registered ) : ?>
-			<div class="newspack-registration__registration-success">
-				<span class="newspack-registration__icon"></span>
+			<div class="newspack-ui__box newspack-ui__box--success newspack-ui__box--text-center">
+				<span class="newspack-ui__icon newspack-ui__icon--success">
+					<svg aria-hidden="true" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+						<path d="M16.7 7.1l-6.3 8.5-3.3-2.5-.9 1.2 4.5 3.4L17.9 8z" />
+					</svg>
+				</span>
 				<?php echo $success_registration_markup; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
 			</div>
 		<?php else : ?>
 			<form id="<?php echo esc_attr( get_form_id() ); ?>" data-newspack-recaptcha="newspack_register">
-				<div class="newspack-registration__have-account">
-					<?php echo \wp_kses_post( $attrs['haveAccountLabel'] ); ?>
-					<a href="<?php echo \esc_url( $sign_in_url ); ?>" data-newspack-reader-account-link>
-						<?php echo \wp_kses_post( $attrs['signInLabel'] ); ?>
-					</a>
-				</div>
-				<div class="newspack-registration__header">
-					<?php if ( ! empty( $attrs['title'] ) ) : ?>
-						<h2 class="newspack-registration__title"><?php echo \wp_kses_post( $attrs['title'] ); ?></h2>
-					<?php endif; ?>
-				</div>
+				<?php if ( ! empty( $attrs['title'] ) ) : ?>
+					<div class="newspack-registration__header">
+						<h3 class="newspack-registration__title"><?php echo \wp_kses_post( $attrs['title'] ); ?></h3>
+					</div>
+				<?php endif; ?>
 				<?php if ( ! empty( $attrs['description'] ) ) : ?>
 					<p class="newspack-registration__description"><?php echo \wp_kses_post( $attrs['description'] ); ?></p>
 				<?php endif; ?>
@@ -250,7 +230,6 @@ function render_block( $attrs, $content ) {
 								$lists,
 								$checked,
 								[
-									'title'            => $attrs['newsletterTitle'],
 									'single_label'     => $attrs['newsletterLabel'],
 									'show_description' => $attrs['displayListDescription'],
 								]
@@ -279,6 +258,7 @@ function render_block( $attrs, $content ) {
 									disabled
 									<?php endif; ?>
 									type="submit"
+									class="newspack-ui__button newspack-ui__button--primary"
 								>
 									<span class="submit"><?php echo \esc_html( $attrs['label'] ); ?></span>
 								</button>
@@ -289,33 +269,45 @@ function render_block( $attrs, $content ) {
 								<?php endif; ?>
 							</div>
 						</div>
-
-						<div class="newspack-registration__help-text">
-							<p>
-								<?php
-								$terms_url = wp_http_validate_url( Reader_Activation::get_setting( 'terms_url' ) );
-								if ( $terms_url ) :
-									?>
-									<a href="<?php echo esc_url( $terms_url ); ?>">
-									<?php
-								endif;
-								$terms_text = empty( $attrs['privacyLabel'] ) ? Reader_Activation::get_setting( 'terms_text' ) : $attrs['privacyLabel'];
-								echo \wp_kses_post( $terms_text );
-								?>
-								<?php if ( $terms_url ) : ?>
-								</a>
-								<?php endif; ?>
-							</p>
-						</div>
 					</div>
 				</div>
+				<div class="newspack-registration__have-account">
+					<a href="<?php echo \esc_url( $sign_in_url ); ?>" data-newspack-reader-account-link class="newspack-ui__button newspack-ui__button--ghost">
+						<?php echo \wp_kses_post( $attrs['signInLabel'] ); ?>
+					</a>
+				</div>
+				<div class="newspack-registration__help-text">
+					<p>
+						<?php
+						$terms_url = wp_http_validate_url( Reader_Activation::get_setting( 'terms_url' ) );
+						if ( $terms_url ) :
+							?>
+							<a href="<?php echo esc_url( $terms_url ); ?>">
+							<?php
+						endif;
+						$terms_text = empty( $attrs['privacyLabel'] ) ? Reader_Activation::get_setting( 'terms_text' ) : $attrs['privacyLabel'];
+						echo \wp_kses_post( $terms_text );
+						?>
+						<?php if ( $terms_url ) : ?>
+						</a>
+						<?php endif; ?>
+					</p>
+				</div>
 			</form>
-			<div class="newspack-registration__registration-success newspack-registration--hidden">
-				<span class="newspack-registration__icon"></span>
+			<div class="newspack-registration__registration-success newspack-registration--hidden newspack-ui__box newspack-ui__box--success newspack-ui__box--text-center">
+				<span class="newspack-ui__icon newspack-ui__icon--success">
+					<svg aria-hidden="true" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+						<path d="M16.7 7.1l-6.3 8.5-3.3-2.5-.9 1.2 4.5 3.4L17.9 8z" />
+					</svg>
+				</span>
 				<?php echo $success_registration_markup; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
 			</div>
-			<div class="newspack-registration__login-success newspack-registration--hidden">
-				<span class="newspack-registration__icon"></span>
+			<div class="newspack-registration__login-success newspack-registration--hidden newspack-ui__box newspack-ui__box--success newspack-ui__box--text-center">
+				<span class="newspack-ui__icon newspack-ui__icon--success">
+					<svg aria-hidden="true" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+						<path fill-rule="evenodd" clip-rule="evenodd" d="M19.5854 12.6708C19.8395 12.5438 20 12.2841 20 12C20 11.7159 19.8395 11.4562 19.5854 11.3292L5.08543 4.0792C4.79841 3.93569 4.45187 3.99069 4.22339 4.21602C3.9949 4.44135 3.93509 4.78709 4.07461 5.07608L7.4172 12L4.07461 18.924C3.93509 19.213 3.9949 19.5587 4.22339 19.784C4.45187 20.0094 4.79841 20.0644 5.08543 19.9208L19.5854 12.6708ZM8.72077 11.25L6.38144 6.40425L17.573 12L6.38144 17.5958L8.72079 12.75H12V11.25H8.72077Z" />
+					</svg>
+				</span>
 				<?php echo \wp_kses_post( $success_login_markup ); ?>
 			</div>
 		<?php endif; ?>
diff --git a/src/blocks/reader-registration/style.scss b/src/blocks/reader-registration/style.scss
index a90021844f..f5f8eee6cb 100644
--- a/src/blocks/reader-registration/style.scss
+++ b/src/blocks/reader-registration/style.scss
@@ -2,7 +2,22 @@
 @use "../../shared/scss/mixins";
 
 .newspack-registration {
-	font-size: 0.8rem;
+	container: registration / inline-size;
+
+	.has-background & {
+		background: var(--newspack-ui-color-body-bg);
+		border-radius: var(--newspack-ui-border-radius-m);
+		overflow: hidden;
+		padding: var(--newspack-ui-spacer-5);
+
+		.newspack-registration__help-text {
+			background: var(--newspack-ui-color-neutral-5);
+			margin:
+				var(--newspack-ui-spacer-5) calc(-1 * var(--newspack-ui-spacer-5))
+				calc(-1 * var(--newspack-ui-spacer-5));
+			padding: var(--newspack-ui-spacer-4) var(--newspack-ui-spacer-5);
+		}
+	}
 
 	a {
 		color: inherit;
@@ -16,142 +31,136 @@
 		}
 	}
 
-	form {
-		> p {
-			margin: 1em 0;
-		}
-	}
-
-	@media only screen and ( min-width: 782px ) {
-		&.is-style-columns {
-			.newspack-registration__main {
-				flex: 1 1 63.4146%;
-			}
-			.newspack-reader__lists {
-				flex: 1 1 31.7073%;
-				padding: 1.2rem;
-				display: flex;
-				flex-direction: column;
-				justify-content: center;
-				align-items: flex-start;
-				h3 {
-					display: block;
-					margin: 0.4rem 0.4rem 0.8rem;
-				}
-				ul li {
-					flex: 1 1 100%;
-				}
-			}
-		}
+	&__form-content,
+	&__main,
+	&__inputs,
+	&__have-account {
+		display: grid;
+		gap: var(--newspack-ui-spacer-2);
 	}
 
 	&__form-content {
-		width: 100%;
-		display: flex;
-		flex-flow: row-reverse wrap;
-		gap: 0.8rem 1.6rem;
 		margin: 0;
-		transition: opacity 200ms ease-in-out;
-	}
+		transition: opacity 250ms ease-in-out;
+
+		.newspack-ui__input-card {
+			margin: 0 !important;
+		}
+
+		.newspack-ui__box.newspack-ui__box--border {
+			display: grid;
+			gap: var(--newspack-ui-spacer-3);
+			margin: 0;
+			padding: var(--newspack-ui-spacer-3);
+
+			.newspack-ui__input-card {
+				background: transparent !important;
+				border: 0;
+				border-radius: 0;
+				padding: 0;
 
-	&__main {
-		flex: 1 1 100%;
-		display: flex;
-		flex-direction: column;
-		justify-content: space-between;
+				strong {
+					font-weight: 400;
+				}
+			}
+		}
 	}
 
 	&__inputs {
-		align-items: center;
-		display: flex;
-		flex-wrap: wrap;
-		font-size: 1rem;
-		justify-content: flex-end;
-		min-width: 250px;
-
-		input[type="email"] {
-			flex: 1 1 auto;
+		gap: var(--newspack-ui-spacer-5);
+
+		.newspack-ui__button {
+			margin-bottom: 0 !important;
 		}
-		[type="submit"] {
-			background-color: var(--newspack-cta-color);
-			color: var(--newspack-cta-contrast-color);
-			margin-top: 0.5rem;
-			width: 100%;
-
-			@media only screen and ( min-width: 782px ) {
-				margin-left: 0.4rem;
-				margin-top: 0;
-				width: auto;
-			}
+
+		.newspack-ui__button--loading {
+			display: none !important;
 		}
 	}
 
 	&__header {
-		align-items: baseline;
-		display: flex;
-		flex-wrap: wrap;
-		justify-content: space-between;
-		margin-bottom: 1em;
-		gap: 0.5em 2em;
-
-		h2,
-		p {
-			margin: 0;
-		}
+		margin-bottom: var(--newspack-ui-spacer-5);
 
-		h2 {
-			font-size: 1rem;
-			line-height: 1.3333;
+		&:has(+ p) {
+			margin-bottom: var(--newspack-ui-spacer-base);
+		}
+	}
 
-			@media screen and ( min-width: 600px ) {
-				font-size: 1.3125em;
-				line-height: 1.5238;
+	& &__main {
+		.newspack-ui {
+			button {
+				font-family: inherit;
 			}
 		}
 	}
 
+	& &__title {
+		font-size: var(--newspack-ui-font-size-l) !important;
+		line-height: var(--newspack-ui-line-height-l) !important;
+		margin: 0;
+	}
+
+	& &__description {
+		font-size: var(--newspack-ui-font-size-s);
+		line-height: var(--newspack-ui-line-height-s);
+		margin: 0 0 var(--newspack-ui-spacer-5);
+	}
+
 	&__have-account {
-		background-color: #111;
-		padding: 4px 15px;
-		margin-bottom: 15px;
+		margin-top: var(--newspack-ui-spacer-2);
 		text-align: center;
-		margin-top: 20px;
-		@media screen and ( min-width: 600px ) {
-			margin-top: 0;
-		}
-		&,
-		a {
-			color: #fff !important;
+
+		&:has(em) {
+			border-top: 1px solid var(--newspack-ui-color-border);
+			gap: calc(var(--newspack-ui-spacer-base) / 2);
+			padding-top: var(--newspack-ui-spacer-2);
 		}
-		a:active,
-		a:hover {
-			color: #d6d6d6 !important;
+
+		em {
+			color: var(--newspack-ui-color-neutral-60);
 		}
 	}
 
 	&__help-text {
-		p {
-			color: wp-colors.$gray-700;
-			font-size: 0.8125em !important;
-			line-height: 1.2307;
-			margin: 0.8rem 0 0;
+		color: var(--newspack-ui-color-neutral-60);
+		font-size: var(--newspack-ui-font-size-xs);
+		line-height: var(--newspack-ui-line-height-xs);
+		margin-top: var(--newspack-ui-spacer-2);
+
+		> :first-child {
+			margin-top: 0;
 		}
-	}
 
-	&__response {
-		margin-top: 0.5rem;
-		font-size: 0.8em;
+		> :last-child {
+			margin-bottom: 0;
+		}
 	}
 
+	&__login-success,
 	&__registration-success {
-		> *:last-child {
-			margin-bottom: 0;
-		}
+		font-weight: 600;
+		margin: 0 !important;
 	}
 
 	&--error {
 		.newspack-registration__response {
-			color: wp-colors.$alert-red;
+			color: var(--newspack-ui-color-error-50);
+			font-size: var(--newspack-ui-font-size-xs);
+			line-height: var(--newspack-ui-line-height-xs);
+
+			p {
+				margin: var(--newspack-ui-spacer-base) 0 0;
+			}
+		}
+
+		.newspack-registration__inputs {
+			input[type="email"] {
+				border-color: var(--newspack-ui-color-error-50);
+
+				&:focus {
+					outline-color: var(--newspack-ui-color-error-50);
+				}
+			}
 		}
 	}
 
@@ -159,24 +168,39 @@
 		.newspack-registration__logins {
 			display: none;
 		}
-		&:not([class*="--hidden"]) {
-			.newspack-registration__icon {
-				animation: fadein 125ms ease-in;
-
-				&::before {
-					animation: bounce 125ms ease-in;
-					animation-delay: 500ms;
-					animation-fill-mode: forwards;
-				}
+	}
+
+	.newspack-ui__box--success {
+		.block-editor-block-list__layout,
+		.wp-block-newspack-reader-registration {
+			font-weight: 600;
+			margin: var(--newspack-ui-spacer-2) 0;
+
+			> * {
+				margin-bottom: var(--newspack-ui-spacer-2);
+				margin-top: var(--newspack-ui-spacer-2);
 			}
+
+			> :first-child {
+				margin-top: 0;
+			}
+
+			> :last-child {
+				margin-bottom: 0;
+			}
+		}
+
+		.wp-block-list {
+			text-align: initial;
 		}
 	}
 
 	&--in-progress {
-		opacity: 0.5;
-		button,
-		a,
-		input {
+		body:has(&) {
+			cursor: wait;
+		}
+
+		* {
 			pointer-events: none;
 		}
 
@@ -209,32 +233,8 @@
 		}
 	}
 
-	&__icon {
-		align-items: center;
-		animation: fadein 125ms ease-in;
-		background: wp-colors.$alert-green;
-		border-radius: 50%;
-		display: flex;
-		height: 40px;
-		justify-content: center;
-		margin: 0 auto 0.8rem;
-		width: 40px;
-
-		&::before {
-			animation: bounce 125ms ease-in;
-			animation-delay: 500ms;
-			animation-fill-mode: forwards;
-			background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M16.7 7.1l-6.3 8.5-3.3-2.5-.9 1.2 4.5 3.4L17.9 8z' fill='white'/%3E%3C/svg%3E");
-			content: "";
-			display: block;
-			height: 24px;
-			transform: scale(0);
-			width: 24px;
-		}
-	}
-
 	&--hidden,
-	div:empty {
+	+ div:empty {
 		display: none;
 	}
 
@@ -244,6 +244,13 @@
 	}
 }
 
+@container registration ( width > 568px ) {
+	.newspack-registration__inputs {
+		gap: var(--newspack-ui-spacer-2);
+		grid-template-columns: 1fr auto;
+	}
+}
+
 /* Sepcific styles to apply to Reader Registration when part of a Prompt */
 .newspack-popup__content {
 	.newspack-registration__header {
@@ -255,24 +262,12 @@
 	}
 }
 
-@keyframes fadein {
+@keyframes spin {
 	from {
-		opacity: 0;
+		transform: rotate(0deg);
 	}
 	to {
-		opacity: 1;
-	}
-}
-
-@keyframes bounce {
-	0% {
-		transform: scale(0);
-	}
-	90% {
-		transform: scale(1.4);
-	}
-	100% {
-		transform: scale(1);
+		transform: rotate(360deg);
 	}
 }
 
diff --git a/src/blocks/reader-registration/view.js b/src/blocks/reader-registration/view.js
index 1d509d5d3e..7e91e6d6c1 100644
--- a/src/blocks/reader-registration/view.js
+++ b/src/blocks/reader-registration/view.js
@@ -60,7 +60,6 @@ window.newspackRAS.push( function( readerActivation ) {
 
 				if ( message ) {
 					messageNode = document.createElement( 'p' );
-					messageNode.classList.add( 'has-text-align-center' );
 					messageNode.textContent = message;
 
 					const defaultMessage = successElement.querySelector( 'p' );
diff --git a/src/components/package.json b/src/components/package.json
index ae349280e1..eb632aaa15 100644
--- a/src/components/package.json
+++ b/src/components/package.json
@@ -58,4 +58,4 @@
 		"prepublishOnly": "npm run clean && npm run compile && node copy-styles.js",
 		"postpublish": "npm run clean"
 	}
-}
\ No newline at end of file
+}
diff --git a/src/newspack-ui/fonts/InterVariable-Italic.woff2 b/src/newspack-ui/fonts/InterVariable-Italic.woff2
new file mode 100644
index 0000000000..f22ec25549
Binary files /dev/null and b/src/newspack-ui/fonts/InterVariable-Italic.woff2 differ
diff --git a/src/newspack-ui/fonts/InterVariable.woff2 b/src/newspack-ui/fonts/InterVariable.woff2
new file mode 100644
index 0000000000..22a12b04e1
Binary files /dev/null and b/src/newspack-ui/fonts/InterVariable.woff2 differ
diff --git a/src/newspack-ui/fonts/LICENSE.md b/src/newspack-ui/fonts/LICENSE.md
new file mode 100644
index 0000000000..9b2ca37b3f
--- /dev/null
+++ b/src/newspack-ui/fonts/LICENSE.md
@@ -0,0 +1,92 @@
+Copyright (c) 2016 The Inter Project Authors (https://github.com/rsms/inter)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION AND CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/src/newspack-ui/fonts/OFL.txt b/src/newspack-ui/fonts/OFL.txt
index d05ec4b38c..9b2ca37b3f 100644
--- a/src/newspack-ui/fonts/OFL.txt
+++ b/src/newspack-ui/fonts/OFL.txt
@@ -1,93 +1,92 @@
-Copyright 2020 The Inter Project Authors (https://github.com/rsms/inter)
-
-This Font Software is licensed under the SIL Open Font License, Version 1.1.
-This license is copied below, and is also available with a FAQ at:
-https://openfontlicense.org
-
-
------------------------------------------------------------
-SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
------------------------------------------------------------
-
-PREAMBLE
-The goals of the Open Font License (OFL) are to stimulate worldwide
-development of collaborative font projects, to support the font creation
-efforts of academic and linguistic communities, and to provide a free and
-open framework in which fonts may be shared and improved in partnership
-with others.
-
-The OFL allows the licensed fonts to be used, studied, modified and
-redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded, 
-redistributed and/or sold with any software provided that any reserved
-names are not used by derivative works. The fonts and derivatives,
-however, cannot be released under any other type of license. The
-requirement for fonts to remain under this license does not apply
-to any document created using the fonts or their derivatives.
-
-DEFINITIONS
-"Font Software" refers to the set of files released by the Copyright
-Holder(s) under this license and clearly marked as such. This may
-include source files, build scripts and documentation.
-
-"Reserved Font Name" refers to any names specified as such after the
-copyright statement(s).
-
-"Original Version" refers to the collection of Font Software components as
-distributed by the Copyright Holder(s).
-
-"Modified Version" refers to any derivative made by adding to, deleting,
-or substituting -- in part or in whole -- any of the components of the
-Original Version, by changing formats or by porting the Font Software to a
-new environment.
-
-"Author" refers to any designer, engineer, programmer, technical
-writer or other person who contributed to the Font Software.
-
-PERMISSION & CONDITIONS
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of the Font Software, to use, study, copy, merge, embed, modify,
-redistribute, and sell modified and unmodified copies of the Font
-Software, subject to the following conditions:
-
-1) Neither the Font Software nor any of its individual components,
-in Original or Modified Versions, may be sold by itself.
-
-2) Original or Modified Versions of the Font Software may be bundled,
-redistributed and/or sold with any software, provided that each copy
-contains the above copyright notice and this license. These can be
-included either as stand-alone text files, human-readable headers or
-in the appropriate machine-readable metadata fields within text or
-binary files as long as those fields can be easily viewed by the user.
-
-3) No Modified Version of the Font Software may use the Reserved Font
-Name(s) unless explicit written permission is granted by the corresponding
-Copyright Holder. This restriction only applies to the primary font name as
-presented to the users.
-
-4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
-Software shall not be used to promote, endorse or advertise any
-Modified Version, except to acknowledge the contribution(s) of the
-Copyright Holder(s) and the Author(s) or with their explicit written
-permission.
-
-5) The Font Software, modified or unmodified, in part or in whole,
-must be distributed entirely under this license, and must not be
-distributed under any other license. The requirement for fonts to
-remain under this license does not apply to any document created
-using the Font Software.
-
-TERMINATION
-This license becomes null and void if any of the above conditions are
-not met.
-
-DISCLAIMER
-THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
-DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.
+Copyright (c) 2016 The Inter Project Authors (https://github.com/rsms/inter)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION AND CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/src/newspack-ui/scss/_mixins.scss b/src/newspack-ui/scss/_mixins.scss
index 0cafdc910b..e39d0e7307 100644
--- a/src/newspack-ui/scss/_mixins.scss
+++ b/src/newspack-ui/scss/_mixins.scss
@@ -1,6 +1,6 @@
 @use "variables/breakpoints";
 
-@mixin newspack-ui-elevation($size: 1) {
+@mixin newspack-ui-elevation( $size: 1 ) {
 	@if $size == 1 {
 		box-shadow: 0 1px 10px rgba(0, 0, 0, 0.07);
 	}
@@ -12,21 +12,21 @@
 	}
 }
 
-@mixin media($res) {
+@mixin media( $res ) {
 	@if mobile == $res {
-		@media only screen and (min-width: breakpoints.$mobile_width) {
+		@media only screen and ( min-width: breakpoints.$mobile_width ) {
 			@content;
 		}
 	}
 
 	@if tablet == $res {
-		@media only screen and (min-width: breakpoints.$tablet_width) {
+		@media only screen and ( min-width: breakpoints.$tablet_width ) {
 			@content;
 		}
 	}
 
 	@if desktop == $res {
-		@media only screen and (min-width: breakpoints.$desktop_width) {
+		@media only screen and ( min-width: breakpoints.$desktop_width ) {
 			@content;
 		}
 	}
diff --git a/src/newspack-ui/scss/_modals.scss b/src/newspack-ui/scss/_modals.scss
index 350fbc364b..417a7c16be 100644
--- a/src/newspack-ui/scss/_modals.scss
+++ b/src/newspack-ui/scss/_modals.scss
@@ -26,7 +26,7 @@
 			transform: translateY(50px);
 			opacity: 0;
 			transition: transform 0.125s linear, opacity 0.125s linear;
-			@include mixins.newspack-ui-elevation(3);
+			@include mixins.newspack-ui-elevation( 3 );
 		}
 		&[data-state="open"] {
 			z-index: 99999;
diff --git a/src/newspack-ui/scss/elements/_boxes.scss b/src/newspack-ui/scss/elements/_boxes.scss
index 617606f416..d9b9eef365 100644
--- a/src/newspack-ui/scss/elements/_boxes.scss
+++ b/src/newspack-ui/scss/elements/_boxes.scss
@@ -30,7 +30,7 @@
 			}
 
 			// Some style resets.
-			h2 {
+			h2:not([class*="font-size"]) {
 				font-size: 1em;
 			}
 
diff --git a/src/newspack-ui/scss/elements/_notices.scss b/src/newspack-ui/scss/elements/_notices.scss
index c2d5b37223..80ead66c30 100644
--- a/src/newspack-ui/scss/elements/_notices.scss
+++ b/src/newspack-ui/scss/elements/_notices.scss
@@ -5,7 +5,7 @@
 			background: var(--newspack-ui-color-neutral-5);
 			border-left-width: 3px;
 			border-left-style: solid;
-			border-left-color: var(--newspack-ui-color-neutral-90); /* stylelint-disable-line */
+			border-left-color: var(--newspack-ui-color-neutral-90);
 			border-radius: var(--newspack-ui-border-radius-xs);
 			color: var(--newspack-ui-color-neutral-90);
 			display: flex;
diff --git a/src/newspack-ui/scss/elements/forms/_buttons.scss b/src/newspack-ui/scss/elements/forms/_buttons.scss
index a543ccce90..7eb83bef7f 100644
--- a/src/newspack-ui/scss/elements/forms/_buttons.scss
+++ b/src/newspack-ui/scss/elements/forms/_buttons.scss
@@ -5,20 +5,24 @@
 		border: 0;
 		border-radius: var(--newspack-ui-border-radius-m);
 		color: var(--newspack-ui-color-neutral-90);
+		cursor: pointer;
 		display: inline-flex;
 		font-family: var(--newspack-ui-font-family);
 		font-size: var(--newspack-ui-font-size-s);
 		font-weight: 600;
-		letter-spacing: initial;
-		text-transform: none;
-		gap: var(--newspack-ui-spacer-2);
+		gap: calc(var(--newspack-ui-spacer-base) / 2);
+		letter-spacing: initial; // Override for custom styles.
+		text-transform: none; // Override for custom styles.
 		justify-content: center;
 		line-height: var(--newspack-ui-line-height-s);
 		margin-bottom: var(--newspack-ui-spacer-2);
 		min-height: var(--newspack-ui-spacer-9);
 		padding: var(--newspack-ui-spacer-2) var(--newspack-ui-spacer-5);
 		text-decoration: none;
-		transition: background-color 125ms ease-in-out, border-color 125ms ease-in-out, outline 125ms ease-in-out;
+		transition:
+			background-color 125ms ease-in-out,
+			border-color 125ms ease-in-out,
+			outline 125ms ease-in-out;
 
 		&:last-child {
 			margin-bottom: 0;
diff --git a/src/newspack-ui/scss/elements/forms/_checkbox-radio.scss b/src/newspack-ui/scss/elements/forms/_checkbox-radio.scss
index 5e016920b9..d4e1bf2bc4 100644
--- a/src/newspack-ui/scss/elements/forms/_checkbox-radio.scss
+++ b/src/newspack-ui/scss/elements/forms/_checkbox-radio.scss
@@ -4,6 +4,7 @@
 		appearance: none;
 		background: white;
 		border: solid 1px var(--newspack-ui-color-input-border);
+		box-shadow: none;
 		color: white;
 		cursor: pointer;
 		display: inline-grid;
@@ -11,7 +12,10 @@
 		height: var(--newspack-ui-spacer-4) !important;
 		margin: 0;
 		place-content: center;
-		transition: background-color 125ms ease-in-out, border-color 125ms ease-in-out, outline 125ms ease-in-out;
+		transition:
+			background-color 125ms ease-in-out,
+			border-color 125ms ease-in-out,
+			outline 125ms ease-in-out;
 		width: var(--newspack-ui-spacer-4) !important;
 
 		&::before {
@@ -55,6 +59,7 @@
 				url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath d='M16.7 7.1l-6.3 8.5-3.3-2.5-.9 1.2 4.5 3.4L17.9 8z' fill='white'%3E%3C/path%3E%3C/svg%3E")
 				0 0 no-repeat;
 			height: var(--newspack-ui-spacer-5);
+			margin: 0;
 			width: var(--newspack-ui-spacer-5);
 		}
 
diff --git a/src/newspack-ui/scss/elements/forms/_index.scss b/src/newspack-ui/scss/elements/forms/_index.scss
index 913e3c4265..2b2ec8a55f 100644
--- a/src/newspack-ui/scss/elements/forms/_index.scss
+++ b/src/newspack-ui/scss/elements/forms/_index.scss
@@ -54,7 +54,8 @@
 
 	// Error class to apply to specific fields.
 	&__field-error,
-	[data-form-status="400"] { // Attribute added to sign-up modal form on failure.
+	[data-form-status="400"] {
+		// Attribute added to sign-up modal form on failure.
 		--newspack-ui-color-input-border: var(--newspack-ui-color-error-50);
 		--newspack-ui-color-input-border-focus: var(--newspack-ui-color-error-50);
 		--newspack-ui-label-color: var(--newspack-ui-color-error-50);
diff --git a/src/newspack-ui/scss/elements/forms/_select.scss b/src/newspack-ui/scss/elements/forms/_select.scss
index 87f62fbeb1..e8a88048d5 100644
--- a/src/newspack-ui/scss/elements/forms/_select.scss
+++ b/src/newspack-ui/scss/elements/forms/_select.scss
@@ -1,4 +1,3 @@
-
 .newspack-ui {
 	select {
 		font-family: var(--newspack-ui-font-family);
diff --git a/src/newspack-ui/scss/elements/forms/_spinner.scss b/src/newspack-ui/scss/elements/forms/_spinner.scss
index a3ce1c2b00..4705356f50 100644
--- a/src/newspack-ui/scss/elements/forms/_spinner.scss
+++ b/src/newspack-ui/scss/elements/forms/_spinner.scss
@@ -15,7 +15,9 @@
 		> span {
 			animation: spin 900ms infinite linear;
 			border: 1.5px solid;
-			border-color: var(--newspack-ui-color-neutral-90) var(--newspack-ui-color-neutral-90) var(--newspack-ui-color-body-bg) var(--newspack-ui-color-body-bg);
+			border-color:
+				var(--newspack-ui-color-neutral-90) var(--newspack-ui-color-neutral-90)
+				var(--newspack-ui-color-body-bg) var(--newspack-ui-color-body-bg);
 			border-radius: 50%;
 			height: calc(var(--newspack-ui-spacer-base) * 2.25);
 			width: calc(var(--newspack-ui-spacer-base) * 2.25);
diff --git a/src/newspack-ui/scss/elements/forms/_text-inputs.scss b/src/newspack-ui/scss/elements/forms/_text-inputs.scss
index c1dc8abcdd..ee47f8398a 100644
--- a/src/newspack-ui/scss/elements/forms/_text-inputs.scss
+++ b/src/newspack-ui/scss/elements/forms/_text-inputs.scss
@@ -25,7 +25,10 @@
 		font-size: var(--newspack-ui-font-size-s);
 		line-height: var(--newspack-ui-line-height-l);
 		padding: calc(var(--newspack-ui-spacer-2) - 1px);
-		transition: background-color 125ms ease-in-out, border-color 125ms ease-in-out, outline 125ms ease-in-out;
+		transition:
+			background-color 125ms ease-in-out,
+			border-color 125ms ease-in-out,
+			outline 125ms ease-in-out;
 		width: 100%;
 
 		&:focus-visible {
diff --git a/src/newspack-ui/scss/elements/misc/_reader-auth.scss b/src/newspack-ui/scss/elements/misc/_reader-auth.scss
index f71eea0aff..b457f0f4dc 100644
--- a/src/newspack-ui/scss/elements/misc/_reader-auth.scss
+++ b/src/newspack-ui/scss/elements/misc/_reader-auth.scss
@@ -1,5 +1,4 @@
 // Re-adds some modal-like spacing for when the sign up form ends up embedded in a page.
-// Ignore a tag buttons as they will never be first..
 .newspack-ui {
 	&.newspack-reader-auth {
 		.newspack-ui__button:not(:first-child, a.newspack-ui__button):first-of-type {
diff --git a/src/newspack-ui/scss/elements/woocommerce/_overrides.scss b/src/newspack-ui/scss/elements/woocommerce/_overrides.scss
index e1d0cc84f1..126c0451cf 100644
--- a/src/newspack-ui/scss/elements/woocommerce/_overrides.scss
+++ b/src/newspack-ui/scss/elements/woocommerce/_overrides.scss
@@ -22,6 +22,7 @@
 	}
 }
 
+// See #3292.
 .woocommerce-account {
 	// Inline sign up form max-width.
 	.woocommerce-notices-wrapper:has(+ .newspack-reader-auth__inline-wrapper),
diff --git a/src/newspack-ui/scss/variables/_fonts.scss b/src/newspack-ui/scss/variables/_fonts.scss
index 63e3873a63..d094381cee 100644
--- a/src/newspack-ui/scss/variables/_fonts.scss
+++ b/src/newspack-ui/scss/variables/_fonts.scss
@@ -1,7 +1,16 @@
 @font-face {
 	font-family: Inter;
+	font-style: normal;
+	font-weight: 100 900;
 	font-display: swap;
-	src: url("./fonts/Inter-VariableFont_slnt,wght.ttf");
+	src: url("./fonts/InterVariable.woff2?v=4.0") format("woff2");
+}
+@font-face {
+	font-family: Inter;
+	font-style: italic;
+	font-weight: 100 900;
+	font-display: swap;
+	src: url("./fonts/InterVariable-Italic.woff2?v=4.0") format("woff2");
 }
 
 :root {
diff --git a/src/newspack-ui/style.scss b/src/newspack-ui/style.scss
index aedf2811ea..d3fbaef50f 100644
--- a/src/newspack-ui/style.scss
+++ b/src/newspack-ui/style.scss
@@ -3,15 +3,14 @@
 @use "scss/modals";
 
 .newspack-ui {
-
 	// Need better spot for this
 	&__color-text-gray {
 		color: var(--newspack-ui-color-neutral-60);
 	}
 
 	// Overrides for theme styles -- to move to theme?
-	h2,
-	h3 {
+	h2:not([class*="font-size"]),
+	h3:not([class*="font-size"]) {
 		font-size: var(--newspack-ui-font-size-s);
 		line-height: var(--newspack-ui-line-height-s);
 	}
diff --git a/src/other-scripts/emails/style.scss b/src/other-scripts/emails/style.scss
index 4710d9ebac..a51ef57f84 100644
--- a/src/other-scripts/emails/style.scss
+++ b/src/other-scripts/emails/style.scss
@@ -2,6 +2,7 @@
 	display: none;
 }
 
+// See #3326.
 .editor-styles-wrapper .block-editor-block-list__layout {
 	:not(code) {
 		font-family: Arial, Helvetica, sans-serif !important;
@@ -13,4 +14,3 @@
 		padding: 0 !important;
 	}
 }
-