#thumnail {float:left;background:#333;padding:15px;overflow:hidden;margin-top:20px;}
#thumnail li {clear:both;width:110px;height:157px;overflow:hidden;margin:0 0 5px 0;overflow:hidden;}
#thumnail li img {width:110px;height:157px;}

#bigImg {float:right;width:600px;height:850px;margin-top:20px;}
#bigImg img {width:600px;height:850px;}