Introduction to CSS

What is CSS?

 CSS stands for Cascading Style Sheets
 CSS is a set of instructions in a linked external file or within the source code of a page
 The CSS tells a browser how to render page elements
 A CSS file is identified by .css file extension.

Therefore, we can simply define Cascading Style Sheets (CSS) as a mechanism for adding style
(e.g. fonts, colors, spacing) to Web Documents.

What are Style Sheets?

In simple words, style sheets define styles such as fonts, color, margins, spacing, etc. that a
web browser must use while rendering a webpage.

 Style Sheets have Styles stored in them
 Styles define how HTML elements should be displayed in the browser
 Styles were added to HTML 4.0 to eliminate complexity
 External Style Sheets are stored in CSS files
 External Style Sheets can save a lot of time and work