#canvas {
    width: 80vmin;
    margin: 17vmin auto 3vmin auto;
    height: 80vmin;
    background-color: rgb(250,247, 211);
    position:relative;
  
}

#paleyellow {
   left: 17%;
   top: 35%;
   width: 67%;
   height: 57%;
   background-color: rgb(225,255,186);
   position:absolute;
}

#yellow{
  left: 36%;
  top: 50%;
  width: 30%;
  height: 30%;
  background-color: rgb(225,245,56);
  position:absolute;
  
  
}