Using the flex element to help style navigation menus along with a bit of use of lists and the details and the summary element

Experiment Take that as a title or as a command to do some experimenting.

With a bit of effort, details and summary can be used in the navigation area although I have seldom seen its use there. I have used details and summary nowhere else in this work.

School House

Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk Just some writing so that this part must scroll to contain it all; no other point to it. Junk, junk, junk, junk