Setting Compass with Aptana Studio 3.

Compass is an open-source CSS Authoring Framework.

1. Download Ruby form http://rubyinstaller.org/downloads/ and install it.
2. Open up Aptana studio and go to Windows -> Show view -> Terminal
   • Type
     -> $ gem install sass
   • After installing sass, install “Compass Aplication” that watches and compiles Sass files for you.
     Type
     -> $ gem install compass

You have installed Ruby and Compass application and form now you can use it to create Sass files in your project:

• In Aptana Studio “Project explorer” check project in which you want to create sass files and in terminal type
  -> $ compass create
• Next in Terminal type
  -> $ compass watch.

Form now every change in your sass file will be saved in css file.