深入了解CSS中边偏移属性top,right,bottom,left的详细用法
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2022-04-27 15:22:43
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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>
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>
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>
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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