level 3 image replacement for the 275th time
and image dimensions for the 275th time
Merge branch 'master' of https://github.com/mozilla/CSOL-site
[wip] EXPLORE and EARN box UI per #466
Merge branch 'master' of https://github.com/mozilla/CSOL-site
THE SOURCE link to footer
Merge pull request #702 from mgballard/master

EXPLORE and EARN box UI per #466 + layout link to THE SOURCE