/* html, body {
  width: 100%;
  height: 100%;

}
*/
#renderCanvas {
position: relative;
width:100%;
height:100%;
}

#overlay {
  position: absolute;
  top:0;
  left:0;
  width:210;
  height:331;
  background-size: cover;
  opacity:0.5;
  border: 5px solid #333;
}

/*  
  width:372;
  height:304;
*/