.social-links {
    margin: 0em 0 3em;
}
.widget-area .social-links h2 {
    margin: 0 0 1em 0;
}
.social-links a {
    display: inline-block;
    vertical-align: middle;
    margin: 0 8px;
    height: 23px;
}
.social-links a:first-of-type {
    margin-left: 0;
}
.social-links a:last-of-type {
    margin-right: 0;
}
.social-links img {
    display: block;
    vertical-align: middle;
    height: 100%;
}
.social-links img:hover {
    filter: brightness(.5) sepia(1) hue-rotate(270deg) saturate(5);
}