body {
    background-color: #000000;
}

.background {
    position: fixed;
    height: 120%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.clickable {
  position: fixed;
  height: 46%;
  top: 50%;
  left: 50%;
  transform: translate(-105%, -28%);
  cursor: pointer;
  transition: filter 0.3s;
}

.clickable:hover {
  filter: brightness(1.2) drop-shadow(0 0 3px #606060)
          drop-shadow(0 0 3px #a2a2a2);
   
}