body {
  height: 100vh;
  margin: 0;
  padding: 0;
  font-family: "Bahnschrift", "SF Compact", "Calibri", Roboto, sans-serif;
}
#canvas {
  width:100%;
  height:100%;
}
#menu {
  position: absolute;
  width: 100%;
  height: 80px;
  z-index: 1;
  padding: 0 64px;
}
#menu > h1 {
  color: indigo;
  text-shadow: 2px 2px 2px white;
}
#modal {
  position: absolute;
  top: 120px;
  left: 50%;
  z-index: 10;
  margin: 5px;
  background-color: rgba(0,0,0,0.2);
}