SAK-26015 - underline lat row in resources table

git-svn-id: https://source.sakaiproject.org/svn/content/trunk@307959 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-26019 - add placeholder label for search input

git-svn-id: https://source.sakaiproject.org/svn/content/trunk@307960 66ffb92e-73f9-0310-93c1-f5514f145a0a