Page.addStyleTag() method

Adds a <link rel="stylesheet"> tag into the page with the desired URL or a <style type="text/css"> tag with the content.

Signature:

addStyleTag(options: {
        url?: string;
        path?: string;
        content?: string;
    }): Promise<ElementHandle>;

Parameters

Parameter	Type	Description
options	{ url?: string; path?: string; content?: string; }

Returns:

Promise<ElementHandle>

Promise which resolves to the added tag when the stylesheet's onload fires or when the CSS content was injected into frame.