.fab.fa-hill::before {
    background-image: url(/modules/Hill/images/Hill_Logo_triangle_blank_small_trimmed.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
}

.fad.fa-hill::before {
    background-image: url(/modules/Hill/images/Hill_Logo_triangle_blank_small_trimmed.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    position: unset;
}

.fad.fa-hill::after {
    content: none;
}