Web Design'; } function apaw_frontend_style() { // Register the style like this for a plugin: wp_register_style( 'apawb-customcontent-style', plugins_url( 'assets/css/styles.css', (__FILE__) ), array(), '20200802', 'all' ); wp_enqueue_style( 'apawb-load-fa', 'https://use.fontawesome.com/releases/v5.0.13/css/all.css' ); // or // Register the style like this for a theme: //wp_register_style( 'custom-style', get_template_directory_uri() . '/css/custom-style.css', array(), '20120208', 'all' ); // For either a plugin or a theme, you can then enqueue the style: wp_enqueue_style( 'apawb-customcontent-style' ); } add_action( 'wp_enqueue_scripts', 'apaw_frontend_style' );