CSS margin与padding区别

时间:2022-11-14 22:50:54

CSS margin与padding区别

一、介绍

css中位置属性设置有margin与padding两种,其区别简单来说是margin设置外边距,padding设置内边距。

下图为css模型盒:

CSS margin与padding区别

说明:设置margin,表示设置当前元素离其外一层的距离;

设置padding,表示设置离其内一层元素的距离

二、示例代码:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
 </head>

 <style>
	#testdiv1{
		background:#0000FF;
		padding:0px;
		margin:0px;
	}
	#ul1
	{
		background:#00FF00;
	}
	#testdiv2{
		background:#0000FF;
		padding:10px;
		margin:0px;
	}
	
	#testdiv3{
		background:#0000FF;
		padding:0px;
		margin:10px;
	}
	
	#testdiv4{
		background:#0000FF;
		padding:10px;
		margin:10px;
	}
	
 </style>
 <body>
	<div id="testdiv1">
		<ul id="ul1">
			<li id="li1">1</li>
			<li id="li2">2</li>
		</ul>
	</div>
	<div id="testdiv2">
		<ul id="ul1">
			<li id="li21">1</li>
			<li id="li22">2</li>
		</ul>
	</div>
	<div id="testdiv3">
		<ul id="ul1">
			<li id="li31">1</li>
			<li id="li32">2</li>
		</ul>
	</div>
	<div id="testdiv4">
		<ul id="ul1">
			<li id="li31">1</li>
			<li id="li32">2</li>
		</ul>
	</div>
 </body>
</html>

运行效果比较:

CSS margin与padding区别