One of the best features is auto enable on websites.

'Incredible! Everything I was searching for, runs Live so you don't have to refresh every time you edit something, very nice suggestions while typing and other small features like colors are displayed in squares while typing names. I don't mean just once or twice in a day, I mean it makes 5 hours of work take 2 for me, and I use it constantly.' I feel like this turns Chrome into a word processor.' No more developing css in the chrome debugger. This basically turns Chrome into a live typesetting system. 'I would have never expected this: this extension has changed the way I write code. 'This extension is great! It allows me to pinpoint specific css modifiers to overwrite them properly.' ✓ Option to load this extension in iframes as well ✓ Highlight DOM elements matching the CSS selectors ✓ Auto-generate CSS selectors with point-and-click ✓ Live edit CSS files and auto-save on file system

✓ Live editor for CSS/Less/Sass code - Preview changes as you write code The code you write will be saved in the browser extension's storage space or the site's local storage. Run this extension and start writing your CSS/Less/Sass code which gets applied immediately. Auto-save file, autocomplete, Less/Sass to CSS, beautify, CSS reloader, lint. Live preview of CSS/Less/Sass code changes.

Firefox css style editor