Doing it with style
It has been a couple of years since I produced a drill down menu so this version uses the latest CSS techniques to toggle the appearance of each sub menu.
Works in IE9+ and all other browsers but IE9 will have an instant change of sub menu instead of the slide-in transition which can be seen in all other browsers. Also works in the Android native browser.
So click/tap any right facing arrow to slide in that sub menu and click/tap a left facing arrow to return to the previous sub menu. All list items are links.
As with the previous menu, any selected sub menu will stay on screen even when clicking elsewhere on the page. No javascript/jQuery, no :target, no iframe, no object and no programming language, just html and css.
No graphics used in this menu.
Because of all the time and effort spent in producing this demonstration I would ask that you respect my copyright.
This demonstration can be used subject to the following terms and conditions.
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