CSS stands for Cascading Style Sheets. Styles define how to display HTML elements. Styles were added to HTML 4.0 to solve a problem. External Style Sheets can save a lot of work. External Style Sheets are stored in CSS files. CSS defines HOW HTML elements are to be displayed.
Types of Style Sheets:-A style sheet is a set of stylistic CSS rules that tell a browser how the different parts of a XHTML document are presented. A style sheet is simply a text file with the file name extension .css.
1. Linked / External 2. Embedded / Internal 3. Inline
Linked / External:- Once your <div> tags are in place, add either a class or ID for styling each <div>separately. For parts of the page that appear only once and form the basic building blocks of the page, web designers usually use an ID.ID selectors are identified using a hash character (#); class selectors are identified with a period.
<link href=“styles.css" rel="stylesheet" type="text/css" />
Embedded / Internal:-
/* styles go here */
<div style=“/* styles go here */”>Text</div>