      float: none;
      width: 100%;
      margin-left: 0;
    }
    .span12,
    .row-fluid .span12 {
      width: 100%;
      -webkit-box-sizing: border-box;
 
</s> remove     width: auto;
 </s> add     width: 100%; </s> remove table .span12 {
 </s> add .table .span12 { </s> remove   padding-left: 160px;
 </s> add   padding-left: 180px; </s> remove   line-height: 16px;
 </s> add   line-height: 17px;
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
      float: none;
      width: 100%;
      margin-left: 0;
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
    }
    .span12,
    .row-fluid .span12 {
      width: 100%;
      -webkit-box-sizing: border-box;
keep keep add keep keep keep keep keep
 [docs] Update Bootstrap to 2.1.1 
docs/static/css/bootstrap-responsive.css