#canvas{
  position: relative;
  width: 80vmin;
  height: 80vmin;
  background-color: #ED2939;
  margin: 0 auto;
}

#B1{
  left:40vmin;
  width: 40vmin;
  height: 40vmin;
  background-color: #1034A6;
  position:absolute;
}

#B2{
  top:40vmin;
  width: 40vmin;
  height: 40vmin;
  background-color: #1034A6;
  position:absolute;
}

#R1{
  position: absolute;
  background-color: #ED2939;
  width:15vmin;
  height:4vmin;
  left:11.5vmin;
  top:76vmin;
}


#R2{
  position: absolute;
  background-color: #ED2939;
  width:15vmin;
  height:4vmin;
  right:12vmin;
}

a{
  text-decoration: none;
}