hook (filter): Filter the Custom CSS limited width's support doc URL.
hook (filter): Filter the Custom CSS limited width's support doc URL.
hook (action): Fires after creating the in the element for the custom css stylesheet.
hook (filter): Allow inserting CSS inline instead of through a separate file.
hook (filter): Filter the default blank Custom CSS URL.
hook (filter): Filter the Custom CSS returned.<p>Can be used to return an error, or no CSS at all.</p>
hook (filter): Filter the default message displayed in the Custom CSS editor.
hook (filter): Filter the array of available Custom CSS preprocessors.
hook (filter): Filter the Custom CSS returned from the editor.
hook (action): Fires right before printing the custom CSS inside the element.
hook (filter): Filter the Custom CSS link enqueued in the head.
