To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for Checker Plus for Google Calendar™

Checker Plus for Google Calendar™ by Jason Savard

4.3 Stars out of 5
5
76
4
20
3
8
2
6
1
6
Response by Jason Savard

Developer response

posted 7 years ago
It should be gray by default or you can use skins and themes for that: https://jasonsavard.com/wiki/Skins_and_Themes