Bug 981610 - Activate the CSS Linter as a pre-commit hook. r=ochameau
Bug 978063 - [BuildingBlocks] Favor scroll performance over thumbnails quality. r=arnau
Merge pull request #17296 from vingtetun/bug978063

Bug 978063 - [BuildingBlocks] Favor scroll performance over thumbnails q...
Merge pull request #17293 from vingtetun/bug981610-precommit

Bug 981610 - Activate the CSS Linter as a pre-commit hook. r=ochameau