<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<title>Balancing Overflow</title>

<style type="text/css">
  .colset {
    display: table;
    border-collapse: separate;
    border-spacing: 4px;
    width: 208px;
    border: solid 1px orange;
    margin: -1px;
  }
  p {
    display: table-cell;
    background: yellow;
    height: 4px;
    outline: 1px green dotted;
  }
</style>

<div class="colset">
<p></p>
<p></p>
<p></p>
</div>