Review for Calendar Tweaks by oggerbolt
Rated 5 out of 5 stars
Now you can tweak the colors to your hearts' desire and see the outcome in the open calendar without leaving the prefs window -- just click 'Apply'.
This review is for a previous version of the add-on (5.0). This user has a previous review of this add-on.To create your own collections, you must have a Mozilla Add-ons account.