.advc > em {
    font-size: 35px;
    position: absolute;
    right: 0px !important;
    transition-duration: .3s;
  }
  [data-toggle="collapse"][aria-expanded="true"] > h3 em{
      -webkit-transform: rotate(180deg);
      -moz-transform:    rotate(180deg);
      -ms-transform:     rotate(180deg);
      -o-transform:      rotate(180deg);
      transform:         rotate(180deg);
  }