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@@ -0,0 +1,57 @@
+ABOUT SASS AND COMPASS
+----------------------
+
+This directory includes Sass versions of Zen's CSS files.
+
+Sass is a language that is just normal CSS plus some extra features, like
+variables, nested rules, math, mixins, etc. If your stylesheets are written in
+Sass, helper applications can convert them to standard CSS so that you can
+include the CSS in the normal ways with your theme.
+
+To learn more about Sass, visit: http://sass-lang.com
+
+Compass is a helper library for Sass. It includes libraries of shared mixins, a
+package manager to add additional extension libraries, and an executable that
+can easily convert Sass files into CSS.
+
+To learn more about Compass, visit: http://compass-style.org
+
+
+DEVELOPING WITH SASS AND COMPASS
+--------------------------------
+
+To automatically generate the CSS versions of the scss while you are doing theme
+development, you'll need to tell Compass to "watch" the sass directory so that
+any time a .scss file is changed it will automatically place a generated CSS
+file into your sub-theme's css directory:
+
+  compass watch <path to your sub-theme's directory>
+
+  If you are already in the root of your sub-theme's directory, you can simply
+  type:  compass watch
+
+While using generated CSS with Firebug, the line numbers it reports will be
+wrong since it will be showing the generated CSS file's line numbers and not the
+line numbers of the source Sass files. To correct this problem, you can install
+the FireSass plug-in into Firefox and then edit your sub-theme's config.rb file
+to set: firesass = true
+  https://addons.mozilla.org/en-US/firefox/addon/firesass-for-firebug/
+
+
+MOVING YOUR CSS TO PRODUCTION
+-----------------------------
+
+Once you have finished your sub-theme development and are ready to move your CSS
+files to your production server, you'll need to tell sass to update all your CSS
+files and to compress them (to improve performance). Note: the Compass command
+will only generate CSS for .scss files that have recently changed; in order to
+force it to regenerate all the CSS files, you can use the Compass' clean command
+to delete all the generated CSS files.
+
+- Delete all CSS files by running: compass clean
+- Edit the config.rb file in your theme's directory and uncomment this line by
+  deleting the "#" from the beginning:
+    #environment = :production
+- Regenerate all the CSS files by running: compass compile
+
+And don't forget to turn on Drupal's CSS aggregation. :-)