(string)$handle Name of the stylesheet. Should be unique.
(string|bool)$src Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. If source is set to false, stylesheet is an alias of other stylesheets it depends on.
(array)$deps Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array.
(string|bool|null)$ver 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.
(string)$media 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)'.
List of CSS media types.
(bool) Whether the style has been registered. True on success, false on failure.