<?xml version="1.0"?>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<hbox flex="1" 
  style="margin:50px; background:yellow; 
  -moz-box-shadow: 1px 2px 3px black, 0 0 10px white, 0 0 20px rgb(50, 170, 255), 0 0 30px rgb(50, 170, 255); 
  -moz-border-radius: 10px;"/>
</window>
