.row-fluid:after {
 clear:both
}
.row-fluid [class*=span4] {
 display:block;
 width:33%;
 min-height:30px;
 -webkit-box-sizing:border-box;
 -moz-box-sizing:border-box;
 box-sizing:border-box;
 float:left;
 margin-left:2px;
}