body  {
  display: block;
  background: black;
  height:16000px;
}
#v0{
  position: fixed ;
  top: 0  ;
  left: 0  ;
  width: 150%;
}
#time{
  position:fixed;
  z-index: 1;
}

.content {
  opacity:0;
  position: fixed;
  top: 50%;
  right: 0;
  left: 0;
  z-index: 99;
  display: block;
  background: #fff;
  width: 50%;
  margin: 0 auto;
  text-align: center;
  transform: translateY(0%);
  transition: 0.7s ease-in-out all;
}
.content.active {
  opacity: 1;
  transform: translateY(-100%);
}