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div css implements adaptive width button_Experience exchange
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- 2016-05-16 12:06:501835browse
implement adaptive width button with div css_experience exchange
let’s look at a picture first: 
the principle is through the background left-align and right-align, use the a tag and span tag to create a complete rounded rectangle. then slide the picture through the hover tag. and you only need one picture:
ok, let’s take a look at the code.
css:
the code is as follows:
*{margin:0; padding:0;}
body{padding:10px; font-size:12px;}
h1{margin:0; padding:10px 0; font-size:14px; font-weight:bold;}
a{background:url(1.gif) left 0; color:#fff; text-decoration:none; height:30px; float:left;
cursor:hand; margin:0 5px 0 0;}
a:hover{background:url(1.gif) left -30px;height:30px;}
a span{background:url(1.gif) right 0; padding:7px 8px 7px 0; margin:0 0 0 8px; float:left; height:16px;}
a:hover span{background:url(1.gif) right -30px; color:#000; padding:7px 8px 7px 0; margin:0 0 0 8px;
height:16px; }html:
the code is as follows:
<body> <h1><strong>css自适应宽度圆角按钮 @5key.net</strong></h1> <a href="#"><span>首页</span></a> <a href="#"><span>不是首页</span></a> <a href="#"><span>他也许是首页</span></a> <a href="#"><span>但他一定不是首页</span></a> <a href="#"><span>好了，就这样把。别扯了~</span></a> </body>
demo:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>CSS自适应宽度按钮</title>
<style>
*{margin:0; padding:0;}
body{padding:10px; font-size:12px;}
h1{margin:0; padding:10px 0; font-size:14px; font-weight:bold;}
a{background:url(/upload/20071122231110605.gif) left 0; color:#fff; text-decoration:none;
height:30px; float:left; cursor:hand; margin:0 5px 0 0;}
a:hover{background:url(/upload/20071122231110605.gif) left -30px;height:30px;}
a span{background:url(/upload/20071122231110605.gif) right 0; padding:7px 8px 7px 0; margin:0 0 0 8px;
float:left; height:16px;}
a:hover span{background:url(/upload/20071122231110605.gif) right -30px; color:#000; padding:7px 8px 7px 0;
margin:0 0 0 8px; height:16px; }
</style>
</head>
<body>
<h1><strong>CSS自适应宽度圆角按钮</strong></h1>
<a href="" target="_blank"><span>首页</span></a>
<a href="" target="_blank"><span>不是首页</span></a>
<a href="" target="_blank"><span>他也许是首页</span></a>
<a href="" target="_blank"><span>但他一定不是首页</span></a>
<a href="" target="_blank"><span>好了，就这样把。别扯了~</span></a>
</body>
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