What is CSS?

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

CSS Syntax

A CSS rule consists of a selector and a declaration block:
CSS selector
The selector points to the HTML element to style (h1).
The declaration block (in curly braces) contains one or more declarations separated by semicolons.
Each declaration includes a CSS property name and a value, separated by a colon.
In the following example all <p> elements will be 32px wide, center-aligned, and with red:

Example

<style>
p {font-size:32px; color:red; text-align:center;}</style>