This tutorial will teach you how to use CSS to create icons for your website. You will learn how to create icons using basic shapes, how to style them with CSS, and how to use them in your website. You will also learn how to animate your icons and how to use them in
From Wikipedia
A CSS framework is a software library allowing for easier, more standards-compliant web design using Cascading Style Sheets. Most of these frameworks contain at least a grid. More functional frameworks also come with more features and additional JavaScript based functions, but are mostly design oriented and focused around interactive UI patterns. This detail differentiates CSS frameworks from other JavaScript frameworks.