#level-one { background-image:url(/css/bg_0.jpg); background-repeat:no-repeat; }
#level-two { background-image:url(/css/bg_1.jpg); background-repeat:no-repeat;  }
#level-thr { background-image:url(/css/bg_2.jpg); background-repeat:no-repeat;  }
#level-thr.tabs { background-image:url(/css/bg_3.jpg); background-repeat:no-repeat; }
#level-nin { background-image:url(/css/bg_4.jpg); background-repeat:no-repeat;  }