Button container should be no wider than suggested topics (PR #72)

The button container sticks out farther than necessary because of the left margin, causing unnecessary horizontal scrolling at supported resolutions


Looks fine to me, just missing the cla


I submitted one before you switched over to the electronic CLA, so it should be in there, but I went ahead and signed the digital one too for good measure.

Sorry about that, we added the earlier submissions to our document but didn’t have the github name on there. Thanks so much for the submission.