/* Modifica l'icona de twitter */
 
.fa.fa-twitter::before {
    display: inline-block;
    width: 1em;
    height: 1em;
    content: "";
    background-color: currentColor;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 -8 26 30" xmlns="http://www.w3.org/2000/svg"><g><path fill="white" d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-5.214-6.817L4.99 21.75H1.68l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z"></path></g></svg>') no-repeat center;
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 -8 26 30" xmlns="http://www.w3.org/2000/svg"><g><path fill="white" d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-5.214-6.817L4.99 21.75H1.68l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z"></path></g></svg>') no-repeat center;
    background-position: center 3px;
}