remove empty space

src/BlockTypes/ProductCategories.php

@@ -96,7 +96,7 @@ protected function render( $attributes, $content ) {
 	}
 
 	/**
-	 * Get the list of classes to apply to this block.
+	 * Get the list of classes and styles to apply to this block.
 	 *
 	 * @param array $attributes Block attributes. Default empty array.
 	 * @return array space-separated list of classes and space-separated list of inline styles.

src/Utils/StyleAttributesUtils.php

@@ -5,8 +5,6 @@
  * StyleAttributesUtils class used for getting class and style from attributes.
  */
 class StyleAttributesUtils {
-
-
 	/**
 	 * Get class and style for font-size from attributes.
 	 *
@@ -108,10 +106,8 @@ public static function get_link_color_class_and_style( $attributes ) {
 				'style' => sprintf( 'color: %s;', $link_color ),
 			);
 		}
-
 	}
 
-
 	/**
 	 * Get class and style for line height from attributes.
 	 *
@@ -144,17 +140,15 @@ public static function get_line_height_class_and_style( $attributes ) {
 	 */
 	public static function get_classes_and_styles_by_attributes( $attributes ) {
 		$classes_and_styles = array(
-			line_height => self::get_line_height_class_and_style( $attributes ),
-			text_color  => self::get_text_color_class_and_style( $attributes ),
-			font_size   => self::get_font_size_class_and_style( $attributes ),
-			link_color  => self::get_link_color_class_and_style( $attributes ),
+			'line_height' => self::get_line_height_class_and_style( $attributes ),
+			'text_color'  => self::get_text_color_class_and_style( $attributes ),
+			'font_size'   => self::get_font_size_class_and_style( $attributes ),
+			'link_color'  => self::get_link_color_class_and_style( $attributes ),
 		);
 
 		return array_filter(
 			$classes_and_styles
 		);
 
 	}
-
-
 }