#canvas{
  width: 64vmin;
  height: 64vmin;
  margin: 3vmin auto;
  position: relative;
  background-color: rgb(241,211,123);
}

#secondring{
  background-color: rgb(253,208,57);
  width: 51vmin;
  height: 51vmin;
  left: 6.5vmin;
  top: 10vmin;
  position:absolute;
}

#innerring{
  background-color: rgb(243,223,154);
  width: 37vmin;
  height: 37vmin;
  left: 13.5vmin;
  top: 21vmin;
  position: absolute;
}

#centerring{
  background-color: rgb(212,217,195);
  width: 24vmin;
  height: 24vmin;
  left: 20vmin;
  top: 31vmin;
  position: absolute;
}