鼠标经过出现气泡框的简单实例

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我是靠谱客的博主感性睫毛膏，最近开发中收集的这篇文章主要介绍鼠标经过出现气泡框的简单实例，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

今天看到一个css效果不错，转一下

1. html

<!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=UTF-8" /> 
<title>Animated Menu Hover 1</title> 
 
<script type="text/javascript" src="http://www.webdesignerwall.com/demo/jquery/jquery.js"></script> 
 
<script type="text/javascript"> 
$(document).ready(function(){ 
 $(".menu li").hover(function() { 
  $(this).find("em").animate({opacity: "show", top: "-75"}, "slow"); 
 }, function() { 
  $(this).find("em").animate({opacity: "hide", top: "-85"}, "fast"); 
 }); 
}); 
</script> 
 
<style type="text/css"> 
body { 
 margin: 10px auto; 
 width: 570px; 
 font: 75%/120% Arial, Helvetica, sans-serif; 
} 
.menu { 
 margin: 100px 0 0; 
 padding: 0; 
 list-style: none; 
} 
.menu li { 
 padding: 0; 
 margin: 0 2px; 
 float: left; 
 position: relative; 
 text-align: center; 
} 
.menu a { 
 padding: 14px 10px; 
 display: block; 
 color: #000000; 
 width: 144px; 
 text-decoration: none; 
 font-weight: bold; 
 background: url('http://files.uoften.com/file_images/article/201703/button.gif') no-repeat center center; 
} 
.menu li em { 
 background: url('http://files.uoften.com/file_images/article/201703/hover.jpg') no-repeat; 
 width: 180px; 
 height: 45px; 
 position: absolute; 
 top: -85px; 
 left: -15px; 
 text-align: center; 
 padding: 20px 12px 10px; 
 font-style: normal; 
 z-index: 2; 
 display: none; 
} 
</style> 
</head> 
 
<body> 
 
<ul class="menu"> 
 <li> 
  <a href=http://www.uoften.com rel="external nofollow" >Web Designer Wall</a>  
  <em>A wall of design ideas, web trends, and tutorials</em> 
 </li> 
 <li> 
  <a href="http://www.uoften.com" rel="external nofollow" >Best Web Gallery</a> 
 
  <em>Featuring the best CSS and Flash web sites</em> 
 </li> 
 <li> 
  <a href="http://www.uoften.com" rel="external nofollow" >N.Design Studio</a> 
  <em>Blog and design portfolio of WDW designer, Nick La</em> 
 </li> 
</ul> 
 
</body> 
</html>

2. js

<script type="text/javascript"> 
$(document).ready(function(){ 
  $(".menu li").hover(function() { 
    $(this).find("em").animate({opacity: "show", top: "-75"}, "slow"); 
  }, function() { 
    $(this).find("em").animate({opacity: "hide", top: "-85"}, "fast"); 
  }); 
}); 
</script>

3. 效果图