Dual Screen Header 图标

<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M12.75 4h7.5C21.2 4 22 4.8 22 5.75v12.5c0 .97-.79 1.75-1.75 1.75H3.75C2.78 20 2 19.2 2 18.25V5.75C2 4.8 2.78 4 3.75 4zm7.75 3h-7.75v11.5h7.5c.13 0 .25-.11.25-.25zm-9.25 0H3.5v11.25c0 .14.11.25.25.25h7.5z"/></svg>