#menu-socials a[href*="aus.social"] svg{background-image:url('https://icons.getbootstrap.com/assets/icons/mastodon.svg');background-size:cover;height:.9em;width:.9em;opacity:.6;transition:opacity ease .3s}#menu-socials a[href*="aus.social"] svg > *{display:none}#menu-socials a[href*="aus.social"]:hover svg{opacity:.8;transition:opacity ease .3s}