.social-link {
  padding: .5em .6em;
  border-radius: 0.3em;
  border: 2px solid #acacac;
  color: #acacac;
  transition: background 200ms ease-in-out, color 200ms ease-in-out, border-color 200ms ease-in-out; }
  .social-link:hover, .social-link:focus, .social-link:active {
    border: 2px solid #939393;
    color: #939393; }