<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" width="48" height="48"><g fill="none" stroke="currentColor" stroke-linecap="round" stroke-width="4"><path stroke-linejoin="round" d="M16 6h16v6H16z"/><path d="M6 42V6"/><path stroke-linejoin="round" d="M16 21h20v6H16zm0 15h26v6H16z"/></g></svg>