<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M21 4H3a1 1 0 0 0-1 1v12a1 1 0 0 0 1 1h8v2H9v2h6v-2h-2v-2h8a1 1 0 0 0 1-1V5a1 1 0 0 0-1-1zm-1 11H4V6h16v9z"/></svg>
