INTRODUCTION TO CSS 3

What is CSS?

  • CSS stands for Cascading Style Sheets
  • CSS describes how HTML elements are to be displayed on screen, on paper, or in other media
  • CSS saves a lot of work. It can control the layout of multiple Web pages all at once
  • External Style Sheets are stored in CSS files


CSS Syntax:

A CSS rule set consists of a selector and a declaration block:
CSS selector
The selector points to the HTML element you want to style.
The declaration block contains one or more declarations separated by semicolons.
Each declaration includes a property name and a value, separated by a colon.



CSS Example:

A CSS declaration always ends with a semicolon, and declaration groups are surrounded by curly braces:
p {color:red;text-align:center;}
To make the CSS code more readable, you can put one declaration on each line.
In the following example all <p> elements will be center-aligned, with a red text color:




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