#cdiv {
  display: inline-block;
  background-color: rgba(0, 0, 0, .5);
  position: fixed;
  bottom: 0;
  right: 0;
  width: 10%;
  height: 10%;
  padding: 8px;
  border-width: 8px;
  border-style:double;
  animation: tranima 10s cubic-bezier(.75, 0, 0, .75) 0s infinite alternate;
  color: #00FFFF;
  font-family: PixelifySans;
  z-index: 3;
}

#main {
  perspective-origin: center center; 
}
.body {
  margin: 0;
}

#glcanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
}