Add last after all filters to make sure it always overrides. * * @deprecated The theme uses native WP additional css since v4.0 */ if ( $custom_css = (string) get_theme_mod( 'custom_css', null ) ) { $css .= "/*CUSTOM CSS*/{$custom_css}"; } // Minify and output CSS in the wp_head if ( empty( $css ) || ! is_string( $css ) ) { return; } // Minify CSS $css = self::minify_css( $css ); /** * Sanitize CSS * * @important - we don't use esc_attr() because it breaks quotes in custom fonts. */ $css = (string) wp_strip_all_tags( $css ); /** * Echo CSS * * @important Don't rename #wpex-css or things will break!!! */ if ( $css ) { echo ''; } } /** * Minify CSS. */ public static function minify_css( string $css ): string { // Normalize whitespace $css = preg_replace( '/\s+/', ' ', $css ); // Remove space after , : ; { } */ > $css = preg_replace( '/(,|:|;|\{|}|\*\/|>) /', '$1', $css ); // Remove space before , ; { } $css = preg_replace( '/ (,|;|\{|})/', '$1', $css ); // Trim white space at start and end $css = trim( $css ); // return CSS return $css; } }