a.cal_button {
  float: right;
  padding: 3px;
  background-color: #b20a94;
  font-size: 11px;
  color: white;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid #b20a94; }

a.cal_button:hover {
  border: 1px solid #7a0665; }