#diapo_main{ height:100%; width:200px; }
#col1 {  height:740px;  }

.controllers{ width:200px; background-color:#000; text-align:center;  }

.stepcarousel{ position: relative; background-color:#111; overflow: scroll; width: 200px; display:block; height: 700px;  }

.stepcarousel .belt{  position: absolute; left: -30px; top: 0px; }

.stepcarousel .panel{ float: left; overflow: hidden; margin: 0px; width: 200px; }