 <p>solved:</p> <p>remove <code>margin-bottom:10px;</code> from your </p> <pre><code> .itemsWrapper { margin-bottom:10px; overflow:auto; width:100%; background: green; } </code></pre> <p><a href="http://jsbin.com/ajoka/11" rel="nofollow noreferrer">http://jsbin.com/ajoka/11</a></p>