深入了解CSS中边偏移属性top，right，bottom，left的详细用法-css教程-PHP中文网

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深入了解CSS中边偏移属性top，right，bottom，left的详细用法

巴扎黑

Jun 28, 2017 am 09:38 AM

bottom left right

1：上边偏移属性

用来定义元素顶部偏移位置的大小。top: auto | length | percent

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> CSS属性实例 </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <style>
    p{
	  top: 100px;
	  position: absolute;
	  border: 2px solid #333333;
	  background: #666666;
	  width: 300px;
	  height: 50px;
	}
  </style>
 </head>

 <body>
   <p>这是使用边偏移属性的实例</p>
 </body>
</html>

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2：右边偏移属性right

用来定义元素右侧偏移位置的大小。right: auto | length | percent;

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> css属性实例 </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <style>
    p{
	  right: 100px;
	  position: absolute;
	  border: 2px solid #333333;
	  background: #666666;
	  width: 300px;
	  height: 50px;
	}
  </style>
 </head>

 <body>
  <p>这是使用边偏移属性的实例</p>
 </body>
</html>

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3：下边偏移属性bottom

用来定义底部偏移位置的大小。bottom:auto | length | percent;

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> css属性实例 </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <style>
    p {
	  bottom: 100px;
	  position: absolute;
	  border: 2px solid #333333;
	  width: 300px;
	  height: 50px;
    }
  </style>
 </head>

 <body>
  <p>这是使用下边偏移属性bottom</p>
 </body>
</html>

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4：左边偏移属性left

用来定义元素左边偏移位置的大小，left: auto | length | percent;

<!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="">
  <style>
     p {
		 left: 100px;
		 position: absolute;
		 border: 2px solid #333333;
		 background: #666666;
		 width: 300px;
		 height: 50px;
	 }
  </style>
 </head>

 <body>
   <p>这是使用左边偏移属性的实例</p>
 </body>
</html>

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