html, body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
}

#loading {
  margin: auto;
  width: 100px;
  height: auto;
  animation: mymove 5s infinite;
  animation-iteration-count:infinite;
}

@keyframes mymove {
  0% {transform: rotate(0deg);}
  100% {transform: rotate(360deg);}
}

#topnav {
  overflow: hidden;
  background-color: #0044ff;
  box-shadow: 2px 2px black;
  position:sticky;
  top:0;
  z-index: 10000;
}

#nav{
  overflow: hidden;
  background-color: #d3d3d3;
  padding:5px;
  margin:0px;

}