Cytoplasm is the gel-like substance in which the contents of a cell are suspended, and also a gem for Rails 3 by MacKinley Smith, which builds upon Sass and jQuery/jQuery UI Frameworks to make your application beautiful, responsive, and recustomizable without diving into code. It comes complete with a settings partial that can be used to restyle any page of your site directly from your browser, a FontLoader class for you typographers, as well as a lightweight jQuery library that transforms your HTML5 complient form elements into sleek, sexy, and incredibly versatile counterparts.