body	{ background-color: #000000; color: #FFFFFF;}
div.game {
  width: 350px;
  height: 140px;
  margin: 10px;
  position: relative;
  background-color: #ff00ff;
  }

.disk, .bottom{
  font-size: 0px;
  }

div.tower {
  width: 100px;
  position: absolute;
  bottom: 1px;
  background-color: #0080FF;
  }
  
#t1 {left:10px}
#t2 {left:120px}
#t3 {left:230px}

div.bottom{
  height:120px;
  width: 10px;
  position: absolute;
  left:45px;
  bottom: 0px;
  background-color: #00c000;
  }

.disk {
  height: 20px;
  background-color: #ff0000;
  }

#s1 {
  width: 30px;
  margin-left: 35px;
  }

#s2 {
  width: 50px;
  margin-left: 25px;
  }

#s3 {
  width: 70px;
  margin-left: 15px;
  }

#s4 {
  width: 90px;
  margin-left: 5px;
  }