<!DOCTYPE html>
<!-- This height has to be less than 18px to trigger crash, on Linux. -->
<html style="height: 10px;
background: lightblue"
><body style="position: fixed;
height: inherit;
-moz-column-count: 1;
background: yellow;
width: 100px"
onload="document.documentElement.style.height = ''"
><div style="outline: 1px dotted green"></div><br/></body></html>