<style type="collapsiblepane">
    <painter>
        <decorations>
            <decoration>
                <WebShape round="8,8,0,0" />
                <WebShadow type="outer" width="2" />
                <LineBorder color="40,40,40" />
                <ColorBackground color="65,65,65" />
            </decoration>
            <!-- \/\/ Here \/\/ -->
            <decoration states="collapsed">
                <WebShape round="8,8,8,8" />
            </decoration>
            <!-- /\/\ Here /\/\ -->
        </decorations>
    </painter>
</style>