.block .social-media-links.horizontal li {
  display: inline-block;
  text-align: center;
}

.block .social-media-links.vertical { padding-left: 0; }

.block .social-media-links.vertical li {
  list-style-type: none;
  margin: 0 0 .5em 0
}

.block .social-media-links.vertical  li a img {
  vertical-align: middle;
  margin-right: .5em;
}