bootstrap-icons/icons/2-square-fill.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-2-square-fill" viewBox="0 0 16 16">
  <path d="M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2zm4.646 6.24v.07H5.375v-.064c0-1.213.879-2.402 2.637-2.402 1.582 0 2.613.949 2.613 2.215 0 1.002-.6 1.667-1.287 2.43l-.096.107-1.974 2.22v.077h3.498V12H5.422v-.832l2.97-3.293c.434-.475.903-1.008.903-1.705 0-.744-.557-1.236-1.313-1.236-.843 0-1.336.615-1.336 1.306"/>
</svg>