body{ background-color:#000;}
#shellhome{ width:800px;height:100%;margin-right:auto;margin-left:auto;position:absolute;background-color:#fff;border:1px solid #fff;height:640px;}
#shell{ width:800px;margin-right:auto;margin-left:auto;position:absolute;background-color:#fff;border:1px solid #fff;padding-bottom:160px;}