.row{margin-left:-20px;*zoom:1;}.row:before,.row:after{display:table;content:"";}.row:after{clear:both;}[class*="span"]{float:left;margin-left:20px;}.container,.navbar-fixed-top .container,.navbar-fixed-bottom .container{width:940px;}.span12{width:940px;}.span11{width:860px;}.span10{width:780px;}.span9{width:700px;}.span8{width:620px;}.span7{width:540px;}.span6{width:460px;}.span5{width:380px;}.span4{width:300px;}.span3{width:220px;}.span2{width:140px;}.span1{width:60px;}.offset12{margin-left:980px;}.offset11{margin-left:900px;}.offset10{margin-left:820px;}.offset9{margin-left:740px;}.offset8{margin-left:660px;}.offset7{margin-left:580px;}.offset6{margin-left:500px;}.offset5{margin-left:420px;}.offset4{margin-left:340px;}.offset3{margin-left:260px;}.offset2{margin-left:180px;}.offset1{margin-left:100px;}