boxicons/svg/regular/bx-checkbox-checked.svg

<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24"><path d="M7 5c-1.103 0-2 .897-2 2v10c0 1.103.897 2 2 2h10c1.103 0 2-.897 2-2V7c0-1.103-.897-2-2-2H7zm0 12V7h10l.002 10H7z"/><path d="M10.996 12.556 9.7 11.285l-1.4 1.43 2.704 2.647 4.699-4.651-1.406-1.422z"/></svg>