style.css

/*
Theme Name: List Network Sites
Theme URI: https://github.com/tomslominski/wp-list-network-sites
Author: Tom Slominski
Author URI: http://tomslominski.net/
Description: List sites in a network installation of WordPress.
Version: 2.0
License: MIT
License URI: https://github.com/tomslominski/wp-list-network-sites/blob/master/LICENSE.md
Text Domain: list-network-sites
*/

/*
  Global
*/

* {
	box-sizing: border-box;
}

html {
	-webkit-font-smoothing: antialiased;
}

a, a:visited {
	color: black;
}

.hide {
	visibility: hidden;
	opacity: 0;
}

.show {
	visibility: visible;
	opacity: 1;
}

/*
  Layout
*/

body {
	background: #F5F5F5;
	font-family: -apple-system, Helvetica Neue, Helvetica, Arial, sans-serif;
	font-size: 62.5%;
	color: #2F2F2F;
}

.container {
	width: 450px;
	margin: 0 auto;
}

/*
  Header
*/

.site-name {
	font-size: 2.2rem;
	text-align: center;
}

header h2 {
	font-size: 1.2rem;
}

header h3 {
	font-size: 1rem;
	margin-bottom: 5px;
}

.search[type="search"] {
	border: none;
	border-bottom: 1px solid #A9A9A9;
	background: none;
	width: 100%;
	font-size: 1rem;
	-webkit-appearance: none;
	-webkit-transition: border-bottom-color 0.5s;
	transition: border-bottom-color 0.5s;
	margin-top: 0;
}

.search:focus {
	outline: none;
	border-bottom-color: black;
}

.submit {
	overflow: auto;
}

.submit button {
	float: right;
	margin: 5px 0 0 0;
}

/*
  Content
*/

.item {
	background: white;
	margin: 10px 0;
	padding: 30px 20px;
	box-shadow: 0px 0px 2px 0px rgba( 0, 0, 0, 0.1 );
}

.item h2 {
	font-size: 1.8rem;
	line-height: 1.8rem;
	margin: 0;
	margin-bottom: 1rem;
}

.link, .link:visited {
	text-decoration: none;
	color: white;
	background: #4D4D4D;
	padding: 3px 6px;
	text-transform: uppercase;
	font-size: 0.8rem;
	margin-right: 5px;
	margin-bottom: 5px;
	-webkit-transition: background 0.5s;
	transition: background 0.5s;
	display: inline-block;
	-moz-appearance: none;
	-webkit-appearance: none;
	border: none;
}

.link:hover {
	background: #2F2F2F;
}

.no-results {
	font-size: 1.4rem;
	text-align: center;
}

/* Overlay */
.items-wrapper {
	position: relative;
}

.items-overlay {
	background-color: rgba( 0, 0, 0, 0.8 );
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	    -ms-flex-align: center;
	        align-items: center;
	-webkit-box-pack: center;
	    -ms-flex-pack: center;
	        justify-content: center;
	-webkit-transition: opacity 0.3s, visibility 0.15s;
	transition: opacity 0.3s, visibility 0.15s;
}

.items-overlay .loader {
	background-image: url( 'assets/img/loader.svg' );
	background-repeat: no-repeat;
	background-size: 30px;
	background-position: center;
	height: 30px;
	width: 30px;
	display: block;
	-webkit-animation: rotate 1s infinite linear;
	        animation: rotate 1s infinite linear;
}

@-webkit-keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}

/* Pagination */
.pagination {
	font-size: 1rem;
	text-align: center;
	position: relative;
}

.pagination .button, .pagination .pager input {
	background: white;
	padding: 4px 8px 6px 8px;
	line-height: 20px;
	border: 1px solid #E0E0E0;
	height: 30px;
	width: 30px;
	display: inline-block;
	-webkit-transition: background 0.2s;
	transition: background 0.2s;
}

.pagination .pager input {
	width: 50px;
	padding: 5px;
	font-size: 1rem;
}

.pagination .button {
	text-decoration: none;
}

.pagination .button:hover {
	background: #ebebeb;
}

.pagination .back-buttons {
	position: absolute;
	top: 0;
	left: 0;
}

.pagination .next-buttons {
	position: absolute;
	top: 0;
	right: 0;
}

/*
  Footer
*/

footer p {
	text-align: center;
	margin: 30px 0;
}

/*
  Media queries
*/

@media only screen and ( max-width: 480px ) {
	.container {
		width: 95%;
	}
}

/* Print stylesheet */

@media print {
	body {
		background: white;
	}

	.container {
		width: 90%;
	}

	.links, .filtering, .pagination, footer {
		display: none;
	}

	.items {
		overflow: auto;
	}

	.item:nth-child(2n+1) {
		float: left;
	}

	.item:nth-child(2n) {
		float: right;
	}

	.item {
		width: 50%;
		padding: 0;
		box-shadow: none;
	}

	.item h2 {
		text-align: center;
		font-size: 12pt;
		font-weight: normal;
		margin-bottom: 0;
	}

	.links, #filter-field {
		display: none;
	}
}