#canvas{
  width:80vmin; 
  margin:20vmin auto 3vmin auto;
  height:110vmin;
  background-color:rgb(239, 227, 212);
  position: relative;
  }

#blue{
  left:8%;
  top:18%;
  width:42%;
  height:32%;
  background-color:rgb(106, 170, 217);
  position: absolute;
}

#black{
  right:8%;
  top:18%;
  width:34%;
  height:25%;
  background-color:rgb(41, 41, 41);
  position:absolute;
  
}

#orange{
  right:8%;
  bottom:18%;
  width:42%;
  height:32%;
  background-color:rgb(243, 120, 72);
  position: absolute;
}

#green{
  left:8%;
  bottom:18%;
  width:34%;
  height:25%;
  background-color: rgb(42,168, 90);
  position: absolute
  
}