CSS stands for Cascading Style Sheets. It describes how Html elements should be displayed on screen. It is a powerful tool for web designers to change the design and control over web pages that how it should be displayed. It is supported by all browsers and is designed primarily to separate the document content from document presentation.
CSS frameworks are pre defined libraries including:
Blueprint
Cascade Framework
Foundation
Bootstrap.
Features
•A global style sheet can be used in CSS so that you can make some changes in the style without much difficulty and consuming less time.
•You may create one external style sheet and can use it for many web pages styling.
•You can attach a different style sheet to a web page by just changing one
