html, body {
  height: 100%;
}
body {
  margin: 0;
}

.layer-wrap	{
  width: 100%;
  height: 100%;
  position: relative;
}

.layer-wrap > canvas	{
  position: absolute;
}

#canvas {
  width: 100%;
  height: 100%;
}

#bgstage {
  width: 100%;
  height: 100%;
  background-image: url("pristage.jpg");
  background-repeat:  no-repeat;
  background-position:center center;
  background-size:contain;
}