.meldingen {
  position:absolute;
  width:60vw;
  height:30vh;
  top: 35vh;
  left: 20vw;
  display: none;
  text-align: center;
  align-items: center;
  font-size: 16rem;
  color: coral;
  -webkit-animation: seconds 12.0s forwards;
  -webkit-animation-iteration-count: 1;
  -webkit-animation-delay: 5s;
  animation: seconds 12.0s forwards;
  animation-iteration-count: 1;
  animation-delay: 5s;
  background: black;
  border: 5px solid coral;
  z-index: 1000;
}
@-webkit-keyframes seconds {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    left: -9999px; 
  }
}
@keyframes seconds {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    left: -9999px; 
  }
}