<?xml version="1.0"?>
<!DOCTYPE window>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        orient="horizontal"
        title="XUL Grid Test">
  <vbox>
    <hbox style="background:aqua">
      <label value="Top" />
    </hbox>
    <hbox style="background:yellow">
      <textbox value="Bottom" />
    </hbox>
  </vbox>
</window>