converse.js/css/images/user.svg

<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128">
 <rect width="128" height="128" fill="#555"/>
 <circle cx="64" cy="41" r="24" fill="#fff"/>
 <path d="m28.5 112 v-12 c0-12 10-24 24-24 h23 c14 0 24 12 24 24 v12" fill="#fff"/>
</svg>