.fa-solid,
.fa-brands {
    display: inline-block;
    inline-size: 1.25em;
    block-size: 1em;
    vertical-align: -0.125em;
    background-color: currentColor;
    -webkit-mask: center / contain no-repeat;
    mask: center / contain no-repeat;
}
.fa-phone { -webkit-mask-image: url("../icons/phone.svg"); mask-image: url("../icons/phone.svg"); }
.fa-envelope { -webkit-mask-image: url("../icons/envelope.svg"); mask-image: url("../icons/envelope.svg"); }
.fa-facebook { -webkit-mask-image: url("../icons/facebook.svg"); mask-image: url("../icons/facebook.svg"); }
.fa-whatsapp { -webkit-mask-image: url("../icons/whatsapp.svg"); mask-image: url("../icons/whatsapp.svg"); }
.fa-1xl { font-size: 1.5em; }
.fa-2x { font-size: 2em; }
.fa-3x { font-size: 3em; }