<svg xmlns="http://www.w3.org/2000/svg" height="512" width="512" id="flag-icon-css-at">
<g fill-rule="evenodd">
<path fill="#fff" d="M512 512H0V0h512z"/>
<path fill="#df0000" d="M512 512H0V341.33h512zm0-341.2H0V.13h512z"/>
</g>
</svg>