<style>
* { height: 0; margin: 100%; -moz-column-width: 50px; }
.test1 { position: absolute; min-height: 100%; -moz-columns: 3; -moz-column-count: 200; }
.test2 { padding-bottom: 100px; margin-bottom: 20px; width: 20px; }
</style>
<div class="test1"><figure><div class="test2">A0AAAA0A0AAAA00AAA<hgroup></hgroup><timer><optgroup></div><div class="test2"><rect><h5>