AO3-6622 Decrease margins on definition lists in FAQs #3770

Job	Run time
rake db:otwseed	1m 25s
rspec spec/controllers	10m 19s
rspec spec/models	5m 23s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	4m 50s
cucumber features/admins	4m 54s
cucumber features/bookmarks	4m 26s
cucumber features/collections	5m 38s
cucumber features/comments_and_kudos	5m 43s
cucumber features/gift_exchanges	6m 38s
cucumber features/importing	2m 53s
cucumber features/other_a	10m 3s
cucumber features/other_b	5m 58s
cucumber features/prompt_memes_a	4m 0s
cucumber features/prompt_memes_b	3m 32s
cucumber features/prompt_memes_c	4m 26s
cucumber features/search	5m 58s
cucumber features/tag_sets	3m 0s
cucumber features/tags_and_wrangling	5m 45s
cucumber features/users	4m 24s
cucumber features/works	12m 8s
	1h 51m 23s

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