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純css實現(xiàn)鼠標(biāo)滑過彈出層效果

  發(fā)布時間：2013-10-16 16:42:47   作者：佚名   我要評論
彈出層想必大家都有見到過吧，在以前或許是使用js實現(xiàn)的，不過現(xiàn)在我們可以使用純css來實現(xiàn)了，下面有個不錯的示例，感興趣的朋友可以參考下

復(fù)制代碼
代碼如下:

<!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>無標(biāo)題文檔</title>
<style type="text/css" >
*{margin:0; padding:0;} /* 所有元素外邊距為0 內(nèi)邊距為0 */
/* body中元素字體大小為12px,字體樣式為:"Times New Roman", Times, serif,背景色:#333 */
body{font-size:12px; font-family:"Times New Roman", Times, serif; background-color:#333;}
/* id為main的元素上下外邊距為100px,左右外邊距為自動;寬度為300px */
#main{margin:100px auto; width:300px;}
/* id為main的元素中無序列表列表樣式為隱藏 */
#main ul{list-style:none;}
/* id為main的元素中的無序列表下的li塊 行高為20px, 下邊框的樣式為1px dashed #FC0 */
#main ul li{line-height:20px; border-bottom:1px dashed #FC0;}
/* id為main的元素中的無序列表下的li塊 中的a標(biāo)簽 顏色為#E7E7E7;關(guān)閉文本修飾;相對定位;元素當(dāng)做塊元素顯示,前后會有換行符*/
#main ul li a{color:#E7E7E7; text-decoration:none; position:relative; display:block;}
/* id為main的元素中的無序列表下的li塊 中的a標(biāo)簽 下的div元素 隱藏 */
<span style="color:#FF0000"> #main ul li a div{display:none;}
#main ul li a:hover{color:#FFF;}
#main ul li a:hover div{position:absolute; left:280px; top:-40px; background-color:#FFF; display:block; width:300px; height:100px; color:#000; overflow:hidden;}
#main ul li a:hover div dt{float:left; width:8px; background:url(234.gif) center no-repeat;height:100px; display:block; background-color:#333;}
#main ul li a:hover div dd{float:right ; width:270px; height:auto; line-height:18px; padding:6px 10px;}</span>
</style>
</head>
<body>
<p>
</p>
<p>
</p>
<div id="main">
<ul>
<li><a href="javascript:void(0);">Customizing Form Objects and Validating Forms
<div><dt></dt>
<dd>Rollovers are very easy using Dreamweaver. All you need to do is export two images from Fireworks (the image itself and the rollover image). Next, in Dreamweaver, click on Insert>Rollover Image. Give a name to the image, choose the images from the folder icon and finally give the link to the image. That's it! You've now got a great looking effect for your site.
</dd>
</div>
</a>
</li>
<li>
<a href="javascript:void(0);">Best Time Saving Tips in Dreamweaver
<div><dt></dt>
<dd>Before uploading your site you need to make sure that there are no dead links in the site. You can do this by going to your site map, right clicking on any of the files and then clicking on 'check links'. Now you can choose to either check links in the entire site or within the selected file or folder. If there are any dead links you can fix them by using the folder icon to select the right files.
</dd>
</div>
</a>
</li>
<li>
<a href="javascript:void(0);">Customizing Form Objects and Validating Forms
<div><dt></dt>
<dd>After resizing an image in Dreamweaver, click on Commands>Optimize Image in Fireworks. You will get a dialog box saying 'Editing image.gif. Do you wish to use an existing Fireworks document as the source of image.gif.' Click on No and then click Update. The image is now updated and optimized in Dreamweaver. This saves you the trouble of opening the image in Fireworks, resizing it and exporting it again.
</dd>
</div>
</a>
</li>
<li>
<a href="javascript:void(0);">Dreamweaver Tips & Tutorials
<div><dt></dt>
<dd>We've shared some really cool tips on Macromedia Dreamweaver in this article. They are handy tips that all Dreamweaver users should know about to allow more flexibility and creativity while designing sites in Dreamweaver.
</dd>
</div>
</a>
</li>
<li>
<a href="javascript:void(0);">Jump Menus, Pop Up Windows and Swap Images
<div><dt></dt>
<dd>Rollovers are very easy using Dreamweaver. All you need to do is export two images from Fireworks (the image itself and the rollover image). Next, in Dreamweaver, click on Insert>Rollover Image.
</dd>
</div>
</a>
</li>
</ul>
</div>
</body>
</html>

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