Tested in

But should work in all modern browsers, if you find a browser where it does not work, please let me know.

Furthermore the menus meet the XHTML and CSS standards.

Styles

There are 24 pointer styles and 33 background styles that can be combined as you see fit, making for almost 800 combinations, not including the endless color combinations.

So what are you waiting for, go build a css vertical menu for you website.