CSS Buttons is a tutorial that will teach you how to create stylish and interactive buttons using Cascading Style Sheets (CSS). You will learn how to style buttons with colors, gradients, shadows, and more. You will also learn how to use pseudo-classes and pseudo-
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.