Used By	Description
wp-includes/general-template.php: wp_admin_css()	Enqueues or directly prints a stylesheet link to the specified CSS file.
wp-includes/functions.wp-styles.php: wp_print_styles()	Display styles that are in the $handles queue.
wp-includes/functions.wp-styles.php: wp_add_inline_style()	Add extra CSS styles to a registered stylesheet.
wp-includes/functions.wp-styles.php: wp_register_style()	Register a CSS stylesheet.
wp-includes/functions.wp-styles.php: wp_deregister_style()	Remove a registered stylesheet.
wp-includes/functions.wp-styles.php: wp_enqueue_style()	Enqueue a CSS stylesheet.
wp-includes/functions.wp-styles.php: wp_dequeue_style()	Remove a previously enqueued CSS stylesheet.
wp-includes/functions.wp-styles.php: wp_style_is()	Check whether a CSS stylesheet has been added to the queue.
wp-includes/functions.wp-styles.php: wp_style_add_data()	Add metadata to a CSS stylesheet.
wp-includes/script-loader.php: print_admin_styles()	Prints the styles queue in the HTML head on admin pages.

wp_styles

wp_styles()