body {
  margin: 0px;
  padding: 0px;
  background: white url('../images/curtain.jpg') no-repeat center top;
  width: 100%;
}

#main {
  margin-left: auto;
  margin-right: auto;
  width: 960px;
}

.sub {
  outline: 0;
  height: 412px;
  width: 412px;
  margin-top: 150px;
}

#xl {
  background-image: url('../images/xl.png');
  float: left;
  margin-left: 0px;
}

#xl:hover {
  background-image: url('../images/xl_active.png');
}

#kids {
  background-image: url('../images/kids.png');
  float: right;
  margin-right: 0px;
}

#kids:hover {
  background-image: url('../images/kids_active.png');
}