.btn_social {
  /* width: 100%; */
  padding: 12px;
  border: none;
  border-radius: 4px;
  margin: 5px 0;
  opacity: 0.85;
  display: inline-block;
  font-size: 17px;
  line-height: 20px;
  text-decoration: none;
}
.btn_social:hover { opacity: 1; }
/* add appropriate colors to fb, twitter and google buttons */
.fb { background-color: #3B5998; color: white !important; }
.twitter { background-color: #55ACEE; color: white !important; }
.google { background-color: #dd4b39; color: white !important; }