#canvas{
  position: relative;
  background-color: rgb( 215, 216, 210 );
  width: 52vmin;
  height: 71vmin;
  margin: 20vmin auto;
  border: 4px solid black;
}

#secondrect{
  background-color: rgb( 42, 42, 44 );
  width: 22vmin;
  height: 71vmin;
  top: 0vmin;
  left: 0vmin;
  position: absolute;

}

#outerrect{
  background-color: rgb( 185, 185, 185 );
  width: 7vmin;
  height: 31vmin;
  top: 40vmin;
  left: 15vmin;
  position: absolute;
}
#innerrect{
  background-color: rgb( 215, 216, 210 );
  width: 6vmin;
  height: 37vmin;
  top: 10vmin;
  left: 9vmin;
  position: absolute;
}