Introduction to CSS3
CSS3 Introduction
CSS is used to control the style and layout of web pages.
CSS3 is the latest CSS standard.
CSS3 module
CSS3 is split into " module". Old specifications have been broken into small pieces and new ones have been added.
Some of the most important CSS3 modules are as follows:
Selector
Box Model
-
Background and border
Text effects
2D/3D conversion
- ##Animation
- Multi-column layout
- User interface
Tips : The W3C's CSS3 specification is still under development. However, many new CSS3 properties are already available in modern browsers.
Let’s look at an example of css3 first
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文网(php.cn)</title>
<style>
div
{
width:100px;
height:75px;
background-color:red;
border:1px solid black;
}
div#div2
{
transform:rotate(30deg);
-ms-transform:rotate(30deg); /* IE 9 */
-webkit-transform:rotate(30deg); /* Safari and Chrome */
}
</style>
</head>
<body>
<div>你好。这是一个 DIV 元素。</div>
<div id="div2">你好。这是一个 DIV 元素。</div>
</body>
</html>Run the program and try it
From below Let’s start learning the new features of css3
new file
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文网(php.cn)</title>
<style>
div
{
width:100px;
height:75px;
background-color:red;
border:1px solid black;
}
div#div2
{
transform:rotate(30deg);
-ms-transform:rotate(30deg); /* IE 9 */
-webkit-transform:rotate(30deg); /* Safari and Chrome */
}
</style>
</head>
<body>
<div>你好。这是一个 DIV 元素。</div>
<div id="div2">你好。这是一个 DIV 元素。</div>
</body>
</html>
Preview
Clear
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