This document provides an overview of SASS, Compass, and Foundation for responsive web design. SASS is a CSS extension that adds features like nesting, variables, and mixins. Compass is a framework for authoring stylesheets in SASS. Foundation is a responsive front-end framework. The document demonstrates how to set up and use these tools, and highlights features like the grid system, nesting, handling media queries with mixins, and built-in functions.
2. What is SASS?
SASS is an extension of CSS3, adding
nested rules, variables, mixins,
selector inheritance, and more.
3. What is Compass?
Compass is a stylesheet authoring
framework that makes your stylesheets
and markup easier to build and maintain.
With compass, you write your
stylesheets in SASS instead of plain CSS.