Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Firefox 57 Dark by Murdoc Niccals
Rated 4 out of 5 stars
Literally the only theme that is compatible with my version of Firefox apparently.
The Firefox logo makes the icons a little hard to see, but otherwise it looks good.
To create your own collections, you must have a Mozilla Add-ons account.