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

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

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

div.bottom{
  height:120px;
  width: 10px;
  position: absolute;
  left:45px;
  bottom: 0px;
  }

.disk {
  height: 20px;
  }

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

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

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

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

.game {
  background-color: #a0a0a0;
  border-radius: 10px 10px 0px 0px;
  border-bottom-style: ridge;
  border width: 5px;
  box-shadow: 7px 7px 3px #505050;
  z-index :-1;
  }
  
div.bottom{
  border-radius: 2px;
  box-shadow: 15px 3px 7px #606060;
  background-color: #80c0ff;
  background: -moz-radial-gradient(40% 45%, #80c0ff, #1a60d0);
  background: -webkit-radial-gradient(40% 45%, #80c0ff, #1a60d0);
  background: -o-radial-gradient(40% 45%, #80c0ff, #1a60d0);
  background: radial-gradient(40% 45%, #80c0ff, #1a60d0);
  z-index:-1;
  }