Alternatives to Stylish for Firefox

Stylish add-on makes a return : r/firefox

Stylish-Custom :: Add-ons for Firefox

Charming Firefox theme (tabs on bottom) by maxxdogg on DeviantArt

stylish - How to change Firefox textbox background color? - Super User

Stylish” extension with 2M downloads banned for tracking every site visit : r/firefox

How to modify the New Tab page in Firefox with Stylish? - Super User

Syncing Stylish userstyles with Dropbox - The World of Curtis Gibby - My Blog

extensions.stylish.editorWindowMode=0 [show editor in a tab (default)] not followed if no userstyles installed, editor opens in separate window instead · Issue #248 · stylish-userstyles/stylish · GitHub

Firefox Proto Dust -Stylish (screenshot)

Yet another Dark Admin theme - Stylish Code - Customizing Pi-hole - Pi-hole Userspace