SO Grid

This is a simple Bootstrap skeleton. You can fork it to get a ready to use Bootstrap fiddle.

HTML

<script src="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.1.0/bootstrap.min.js"></script>
<div class="container-fluid">
<!-- or optionally class="container" -->
    
    <div class='row-fluid'>
  <div class='span3'>
    <div>1</div>
  </div>
  <div class='span3'>
    <div>2</div>
  </div>
  <div class='span3'>
    <div>3</div>
  </div>
  <div class='span3'>
    <div>4</div>
  </div>
</div>
</div>

CSS

@import url('http://twitter.github.com/bootstrap/assets/css/bootstrap.css');

.span3 {
border:solid grey 1px;
	-webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
	-moz-box-sizing: border-box;    /* Firefox, other Gecko */
	box-sizing: border-box;         /* Opera/IE 8+ */
}