app/assets/images/flags/1x1/es-ca.svg
<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-es-ca" viewBox="0 0 512 512">
<path fill="#fcdd09" d="M0 0h512v512H0z"/>
<path stroke="#da121a" stroke-width="60" d="M0 90h810m0 120H0m0 120h810m0 120H0" transform="scale(.6321 .94815)"/>
</svg>