Loading WordPress theme CSS the right way: Enqueue styles

We don’t want to add direct links to our style.css and other css files in the header.php – let’s keep it clean there!

Instead, add the following to your theme’s functions.php:

/*  Enqueue css
/* ------------------------------------ */	
function alx_styles() 
	wp_enqueue_style( 'style', get_stylesheet_uri() );
	wp_enqueue_style( 'font-awesome', get_template_directory_uri().'/fonts/font-awesome.min.css' );
add_action( 'wp_enqueue_scripts', 'alx_styles' ); 

In this example, I am loading style.css and a Font Awesome css file that is in the theme’s subfolder named /fonts/.

Note, in order for this to work, your theme must have this inside the header.php < head > tag:

<?php wp_head(); ?>

Function reference: wp_enqueue_style