CSS(cascading style sheet):
- CSS is a language that describes the style of an HTML document.
- CSS describes how HTML elements should be displayed.
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
This CSS tutorial contains hundreds of CSS examples.
CSS Example
body {
background-color: lightblue;}
h1 {
color: white;
text-align: center;}
p {
font-family: verdana;
font-size: 20px;}
<div class="w3-display-container">
<img src="img_lights.jpg" alt="Lights">
<div class="w3-display-topleft w3-container">Top Left</div>
<div class="w3-display-topright w3-container">Top Right</div>
<div class="w3-display-bottomleft w3-container">Bottom Left</div>
<div class="w3-display-bottomright w3-container">Bottom Right</div>
<div class="w3-display-left w3-container">Left</div>
<div class="w3-display-right w3-container">Right</div>
<div class="w3-display-middle w3-large">Middle</div>
<div class="w3-display-topmiddle w3-container">Top Middle</div>
<div class="w3-display-bottommiddle w3-container">Bottom Middle</div>
</div>
Why Use CSS?
CSS is used to define styles for your web pages, including the design, layout and variations in display for different devices and screen sizes.
CSS Solved a Big Problem
HTML was NEVER intended to contain tags for formatting a web page!
HTML was created to describe the content of a web page, like:
<h1>This is a heading</h1>
<p>This is a paragraph.</p>
When tags like <font>, and color attributes were added to the HTML 3.2 specification, it started a nightmare for web developers. Development of large websites, where fonts and color information were added to every single page, became a long and expensive process.
To solve this problem, the World Wide Web Consortium (W3C) created CSS.
CSS removed the style formatting from the HTML page!
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