body {
  margin:3vmin;font-family:Verdana;
}
a{color: #DC2B05}
nav{text-align:center;}
#background{width: 63vmin;
  height: 94vmin;
  background-color:#DC2B05;
  margin:0 auto;position:relative;}
#square1{position: absolute;
  width: 8vmin;
  height: 86vmin;
  top: 8vmin;
  background-color: #F4AD99;}
#square2{position: absolute;
  width: 63vmin;
  height: 8vmin;
  background-color:#93d3dc;
  }
#square3{position: absolute;
  width: 47vmin;
  height: 8vmin;
  background-color:#dec38d;
  left: 8vmin;
  bottom:0vmin;}
#square4{position: absolute;
  width: 8vmin;
  height:86vmin;
  background-color:#ecce02;
  right:0vmin;
  top:8vmin;}