Learn more about the detailed usage of the edge offset properties top, right, bottom, and left in CSS-CSS Tutorial-php.cn

Learn more about the detailed usage of the edge offset properties top, right, bottom, and left in CSS

巴扎黑

Release： 2017-06-28 09:38:50

Original

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1: Top offset attribute

is used to define the size of the offset position of the top of the element. 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: The right offset attribute right

is used to define the right side of the element The size of the side offset position. 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: Bottom offset attributebottom

Use to define the size of the bottom offset position. 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: The left offset attribute left

is used to define the size of the left offset position of the element, 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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