html, body{
  margin: 0;
  padding: 0;
  background-color: #c33d3d;
  width: 100%;
  height: 100%;
  overflow: hidden;

}

#canvas-background{
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  position: relative;
}

#game-area{
  margin: 0;
  padding: 0;
  position: absolute;
  top: 50%;
  left: 50%;
}