<?xml version="1.0"?>

<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>

<window id="example-window" title="Example 4.2.1"
        xmlns:html="http://www.w3.org/1999/xhtml"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<stack>
  <button label="Goblins" left="5" top="5"/>
  <button label="Trolls" left="60" top="20"/>
  <button label="Vampires" left="10" top="60"/>
</stack>


</window>

