Wrap cover harvesting bits in conditional to exclude staff client

- table.tt2 and base.tt2, added wrappers around cover harvesting bits

Signed-off-by: William Rockwood <wrockwood@tadl.org>
CSS changes to make list titles more visible

- added border, background, fixed padding for result-bookbag-heading
- made font larger for result-bookbag-name

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