Comment 1 for bug 1736967

Fix based on Roger's idea pushed here:

http://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/slink/lp1736967_primary_a_css_fix

Since the Angular 2 update seems to pull css from the bootstrap-css-only package, I'm not sure if there's a need for an implementation there.