#rehearsal-banner {
  padding: 10px;
  margin: 0;
  text-align: center;
  background: #C00000;
  color: #fff;
  font: bold 14px "Helvetica Neue", Helvetica, sans-serif;
  position: relative;
  z-index: 9999;
  border-bottom: 1px solid #7c0000;
  text-shadow: 0 1px 1px #6b0000;
}
#rehearsal-banner {
  padding: 10px;
  margin: 0;
  text-align: center;
  background: #C00000;
  color: #fff;
  font: bold 14px "Helvetica Neue", Helvetica, sans-serif;
  position: relative;
  z-index: 9999;
  border-bottom: 1px solid #7c0000;
  text-shadow: 0 1px 1px #6b0000;

  .admin-link {
    position: absolute;
    right: 10px;
    top: 5px;
    font-size: 16px;
    background: white;
    padding: 5px 10px;
    border-radius: 3px;
    color: #36393D;
    text-shadow: none;
    &:hover {
      background: #eee;
    }
  }
}

Add .admin-link style for optional use
Add .admin-link style for optional use
