Enqueue a CSS stylesheet.

Registers the style if source provided (does NOT overwrite) and enqueues.

Signature

wp_enqueue_style( $handle, $src = '', $deps = array(), $ver = false, $media = 'all' )
handle
 (string) Name of the stylesheet. Should be unique.
src
 (string) Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. Default empty.
Default: ''
deps
 (array) Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array.
Default: array()
ver
 (string|boolean|null) Optional. String specifying stylesheet version number, if it has one, which is added to the URL as a query string for cache busting purposes. If version is set to false, a version number is automatically added equal to current installed WordPress version. If set to null, no version is added.
Default: false
media
 (string) Optional. The media for which this stylesheet has been defined. Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like '(orientation: portrait)' and '(max-width: 640px)'.
Default: 'all'

Return

(void)

Source

function wp_enqueue_style( $handle, $src = '', $deps = array(), $ver = false, $media = 'all' ) {
	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );

	$wp_styles = wp_styles();

	if ( $src ) {
		$_handle = explode('?', $handle);
		$wp_styles->add( $_handle[0], $src, $deps, $ver, $media );
	}
	$wp_styles->enqueue( $handle );
}
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