@media only screen and (max-width: 600px) {
  body {
   div.post-footer a:link, div.post-footer a:visited, div.post-footer a:active {
    color: #3B5998;
    font-weight: bold;
    font-family: Verdana,Arial,Helvetica,sans-serif;
    font-size: 15px;
    text-decoration: none;
  }
}