#canvas{
  position: relative;
  background-color: rgb( 65, 95, 177 );
  width: 52vmin;
  height: 71vmin;
  margin: 20vmin auto;

}

#secondrect{
  background-color: rgb( 75, 139, 63 );
  width: 37vmin;
  height: 53vmin;
  top: 18vmin;
  left: 0vmin;
  position: absolute;

}

#innerrect{
  background-color: rgb( 187, 81, 63 );
  width: 18.5vmin;
  height: 24vmin;
  top: 47vmin;
  left: 0vmin;
  position: absolute;
}