On Firefox for Android, I was having an issue where pressing Install Style on userstyles.org always redirected me to the Chrome Web Store. If you're feeling frustrated with this like me, I figured out that Request desktop site makes the Install Style button works properly now. Styles work great.

Useless with Quantum Firefox

Another excellent extension made totally worthless by quantum firefox upgrade.

Simply the best add to modify and create customized CSS for any web site

good

good grief! talk about how to take a simple plugin and absolutely destroy it. i used this all the time. now? it's a !@#$ expedition to firgure out how to write new styles for a page. how the hell do you screw up something so simple as 'write new rule' from the menu popup? godawful transition to the new version. utterly useless to me now.

Warning:

Thunderbird 52.5.2 kills all my customizations on stylish..
stylish not working there..

Moved back to tb 52.5.0

new version Stylish for Firefox 57+ is HORRIBLE... similliar like same Firefox 57

Before webextensions, Stylish for Firefox was awesome. Sytylish for Chrome always sucked compared to Firefox's Stylish and now, since webextensions, Firefox Stylish is just as bad as Chrome Stylish. Webextensions is KILLING Firefox! The so-called "speed increase" isn't there and does NOT justify the GUTTING of Firefox extension functionality!

Firefox Stylish can no longer do real-time CSS updating (must reload/refresh web page EACH and EVERY time!), editing in a window (vs. tab only), and its import feature can only handle so many subsections before it just stops adding them and you must add them manually). Those are my biggest gripes about the webextensions Firefox Stylish, I can no longer continue to use it or Firefox 57+ until this functionality is restored and Mozilla wakes the hell up and realizes webextensions are stupid.

Es muy buena tengo años usándola

Very useful

opens great possibilities to customize your favorite sites as you like it..

super..!!

Me encantan las opciones de personalizacion que da <3
en especial porque tiene muchas cositas rosa (>w<)

Really nice, although of course there are teething problems with the new Quantum version.

One question, which sounds totally silly: how can you use the backup? If I select "Backup all installed", it saves a file, but I have no idea what it's called, or where it is. If I then try to "Retrieve Backup", I don't know what to look for.

The only clue is that the file import says it's either a .BIN or .JSON file, but I have hundreds; thousands of those. Maybe putting the name "Stylish" in the name of whatever file is exported may make it easler to hunt for.

Or, you know, actually tell us what the file is?