Bug 1061296 - Set a same and fixed position for event details elements in 12 and 24 hour format
Bug 1058317 - [Browser] When watching YouTube on fullscreen, the video toolbar menu does not display

* Browser iframe was blocked by div.screenshot-overlay
Bug 1063161 - Double alert in activity chain
Bug 1002545 - Switching to b2g desktop builds
Bug 1061438 - [Ringtones] Fix the wording for managing alerts; r=djf
Merge pull request #23018 from yurenju/b2g-desktop

Bug 1002545 - Switching to b2g desktop builds r=@yurenju
Merge pull request #23835 from alivedise/bugzilla/1063161/double-alert

Bug 1063161 - Double alert in activity chain, r=etienne
Merge pull request #23743 from jimporter/ringtones-alert-tone-strings

Bug 1061438 - [Ringtones] Fix wording for managing alerts
Merge pull request #23547 from begeeben/1058317_when_watching_youtube

Bug 1058317 - [Browser] When watching YouTube on fullscreen, the video toolbar menu does not display, r=alive
Merge pull request #23702 from evanxd/bug-1061296

Bug 1061296 - Keep event details element right shift 2rem from event time element