FireSass is a Firebug extension that makes Firebug display the Sass filenames and line numbers of Sass-generated CSS styles rather than those of the generated CSS.
Currently FireSass only works with the development version of Sass, available from GitHub.
First, install FireSass.
Second, enable Sass's :debug_info
option.
If you're using Sass with a Ruby web framework,
you probably want to do:
Sass::Plugin.options[:debug_info] = true
If you're using Sass from the command line,
just pass in the --debug-info
flag.
Finally, delete all the existing CSS files
so that they'll be regenerated.
FireSass should work with all versions of Firefox after and including 3.0, and all FireBug versions 1.4 and 1.5. It might work with FireBug 1.6 (which is in development at time of writing), but that's not guaranteed.
FireSass currently requires the development version of Sass, available from GitHub.