The following code shows how to create row with span2 and span10.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.background {<!--from www. j a v a2 s. c o m-->
background-color: #EEE;
}
.background2 {
background-color: #EED;
}
</style>
<link
href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-combined.min.css"
rel="stylesheet">
</head>
<body>
<div class="container-fluid">
<div class="row-fluid">
<div class="span2 background">SIDEBAR</div>
<div class="span10 background2">Main</div>
</div>
</div>
</body>
</body>
</html>