Hover effect (bg-color becomes darker) for the introductory text section headings.
Hover effect (bg-color becomes darker) for the introductory text section headings.

This makes more obvious to the user that those headings are clickable, they toggle open/collapsed state for the sections of the text.

amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch,jmwenda/feedbunch