Stackoverflow - remove wrap updated

by panchroma

HTML

<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<div class="container">
  
    <div class="row">
        <div class="span4 solidBottom">
            
            <div class="row">
                <div class="span1">
                    <label>A</label>
                </div>
                
                <div class="span1">
                    <label>B</label>
                </div>

                <div class="span1">
                    <label>C</label>
                </div>

                <div class="span1">
                    <label>D</label>
                </div>

            </div> <!-- end nested row -->
        
            <div class="span8"> </div>
    
      </div> <!-- end parent row -->
</div> <!-- end container -->

CSS

.span4{
    background-color:black
}

.span1{
    background-color:#aaa;
}