body {background-color:indianred;}
.zoom {display:block; margin-left:auto; margin-right:auto; width: 98vw; height:auto; position:relative; top:5vh;}
#trugknoppie {
  position:absolute; top:40vh;
  font-size:400%;
  background-color:indianred;
  padding: 2px;
  border: 1px solid indianred; s
  transition-duration: 0.4s;
  z-index: 2
}
#trugknoppie:hover {
  background-color: red; 
  color: black;
}