QA:Backwards Compat Grid

Build 675 on content-status-add-typography
1200px
Reviewing disabled
The baseline is taller than the new snapshot (1000x692 to 1000x681).
Baseline History
Build 6756751b9d
Current build. There are unaccepted changes, so build 537 is still the baseline.
Build 501549c550
Accepted by Zhihao Cui.
Commenting is disabled because there's a newer build on this branch