/* animation */
#forerunner-portal.forerunner-hidden-animation {
  -webkit-animation-name: hideportal; /* Safari 4.0 - 8.0 */
  -webkit-animation-duration: 3s; /* Safari 4.0 - 8.0 */
  -webkit-animation-delay: 0s; /* Safari 4.0 - 8.0 */
  -webkit-animation-fill-mode: forwards;
  
  animation-name: hideportal;
  animation-duration: 3s;
  animation-delay: 0;
  animation-fill-mode: forwards;
}

@keyframes hideportal {
  from { height: 100vh; }
  to { height: 0; opacity: 0; display:none; }
}

/* safari 4 - 8 */
@-webkit-keyframes hideportal {
  from { height: 100vh; }
  to { height: 0; opacity: 0;display:none; }
}