Whimsical additions for youth view, minor improvements to normal view

Whimsical additions for youth view, minor improvements to normal view

- Added various 'ys' classes to customize display in youth dept
- Made "sort by" box bigger in search results view
- improved padding/spacing on numerous elements in both "themes"
- added a couple background images (concentric is currently in use)
- New youth slideshow

Signed-off-by: William Rockwood <wrockwood@tadl.org>