- Some much older browsers may have trouble with them, but those older browsers are disappearing since most of the newer browsers are free.
- All colors and styles can be changed, as well as positioning, text and the number of buttons.
If you view the source you will see the plain HTML with div and span tags that control everything. Not a <table>, <tr>, <td>, or <font> tag anywhere, except in the aformentioned page. Now that it is done, the layout can be changed in many ways using CSS.
- The navigation buttons on the left are made using CSS.
- These buttons download very fast, since they do not use graphics to achieve the 3D effect.

