Any part of the HTML can be customized. It is written in between the Tabbed Pane Tags, so
it is easy to change. You can change the colors and text of the tabs, and you can use images
for the titles if you want.
Tabbed Pane with nested Tabbed Pane and Tree.
Notice how the state of the nested pane and tree
are kept even if you click on tab3, tab4, or tab5
and back on the nested pane or tree.