/* Custom X.com (Twitter) icon */
.fab.fa-x-com::before {
    content: "";
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300.251' version='1.1'%3E%3Cpath d='M178.57 127.15 290.27 0h-26.46l-97.03 110.38L89.34 0H0l117.13 166.93L0 300.25h26.46l102.4-116.59 81.8 116.59h89.34M36.01 19.54H76.66l187.13 262.13h-40.66'/%3E%3C/svg%3E");
    display: block;
    width: 1em;
    height: 1em;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center center;
    background-color: currentColor;
}
  
/* Custom Substack icon */
.fab.fa-substack::before {
    content: "";
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' role='img' style='height: 28px; width: 28px;' width='28' height='28' viewBox='0 0 20 20' fill='%23FFffff' stroke-width='1.8' stroke='none' class='logo-DQBU5j'%3E%3Cg%3E%3Ctitle/%3E%3Cpath d='M1.96484 0.624512H18.0354V2.70052H1.96484V0.624512Z' stroke='none'/%3E%3Cpath d='M1.96484 4.77655H18.0354V6.85254H1.96484V4.77655Z' stroke='none'/%3E%3Cpath d='M1.96484 8.92857V19.9505L10.0001 14.6347L18.0354 19.9505V8.92857H1.96484Z' stroke='none'/%3E%3C/g%3E%3C/svg%3E");
    display: block;
    width: 1em;
    height: 1em;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center center;
    background-color: currentColor;
}