public/emoji/25aa_border.svg
<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="-2 -2 40 40">
<g>
<path d="M25 24c0 .553-.447 1-1 1H12c-.552 0-1-.447-1-1V12c0-.552.448-1 1-1h12c.553 0 1 .448 1 1v12z" stroke="white" stroke-linejoin="round" stroke-width="4px"/>
</g>
<path fill="#31373D" d="M25 24c0 .553-.447 1-1 1H12c-.552 0-1-.447-1-1V12c0-.552.448-1 1-1h12c.553 0 1 .448 1 1v12z"/>
</svg>