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.
$depsstring[]optional
An array of registered stylesheet handles this stylesheet depends on.
Default:array()
$verstring|bool|nulloptional
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
$mediastringoptional
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
bool Whether the style has been registered. True on success, false on failure.