/* body { */
  /* background-color: lightblue; */
/* } */

/* canvas { */
  /* background-color: #ccc; */
  /* display: block; */
  /* position: absolute; */
  /* top: 0; */
  /* left: 0; */
  /* right: 0; */
  /* bottom: 0; */
  /* width: 100%; */
  /* height: 100%; */
/* } */



canvas {
  background-color: #ccc;
  display: block;
  position: relative;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  width: height%;
}