.mr_frbox { }
.mr_frBtnL { float: left; margin:122px 5px 0px 0px; cursor: pointer; display: inline; }
.mr_frBtnR { float: right; margin-top:122px; cursor: pointer; }
.mr_frUl { float:left; width:1100px; }

.mr_frUl ul li{float:left; width:350px; height:350px; list-style-type:none; margin:15px; padding-top:6px; padding-bottom:6px; text-align:center; overflow:hidden;}