.vidcover {
  background: #FFF;
  
  display: block;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
  -webkit-transition: opacity 800ms ease 0.2s;
  -moz-transition: opacity 800ms ease 0.2s;
  -ms-transition: opacity 800ms ease 0.2s;
  transition: opacity 800ms ease 0.2s;
}