Swiper:With horizontal margins

Build 1281 on dzucconi/fix/radio-a11y
1200px
Reviewing disabled
Baseline History
Build 1281900c2b3
Current build. There are unaccepted changes, so build 1241 is still the baseline.
Build 10327fd2ed5
Accepted by Damon.
Build 10270cc16ac
Accepted by Damon.
Commenting is disabled because there's a newer build on this branch