<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
    <path d="M0 0h24v24h-24z" fill="none"/>
    <path d="M21 1h-14c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2v-14c0-1.1-.9-2-2-2zm0 16h-14v-14h14v14zm-18-12h-2v16c0 1.1.9 2 2 2h16v-2h-16v-16zm14 8v-2c0-1.11-.9-2-2-2h-2v-2h4v-2h-6v6h4v2h-4v2h4c1.1 0 2-.89 2-2z"/>
</svg>