Apr 19, 2017 · The ability to use variables in CSS is a useful and powerful feature that web developers have long been asking for. Well, it has finally arrived, and it’s awesome! In this article we’ll look ... Mar 03, 2010 · Using .LESS's HTTP Handler To Parse CSS On The Fly The various features offered by .LESS - variables, operators, mixins, and nested rules - are not recognized as accepted CSS syntax. If you were to create a style sheet using variables, for instance, and sent that down to the browser, the variable would not be understood and processed. - Style sheets are essential when creating and producing any InDesign document, whatever the finished product will be. If you use paragraph, character, and object styles, your path to producing print mechanicals and their ebook adaptations will be straightforward. Compass is an open-source CSS Authoring Framework that allows you to create CSS3 style sheets using Sass. Dreamweaver offers support to Compass. So if you create style sheets using Compass, then you can compile these style sheets and generate CSS files from within Dreamweaver.