纯CSS实现的二级纵向下拉菜单，可以滑动折叠，无需JavaScript代码，兼容性好
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<!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>纯CSS实现的滑动的可折叠菜单</title> <style type=”text/css”> /* ================================================================ This copyright notice must be untouched at all times. The original version of this stylesheet and the associated (x)html is available at http://www.cssplay.co.uk/menus/drop_definition.html Copyright (c) 2005-2007 Stu Nicholls. All rights reserved. This stylesheet and the assocaited (x)html may be modified in any way to fit your requirements. =================================================================== */ #dlmenu {height:10em;} #menu {list-style-type:none; margin:0 0 10px; padding:0; position:absolute; width:15em; background:#fff; z-index:100;} #menu li {display:block; padding:0; margin:0; position:relative; z-index:100;} #menu li a, #menu li a:visited {display:block; text-decoration:none;} #menu li dd {display:none;} #menu li:hover, #menu li a:hover {border:0;} #menu li:hover dt a , #menu li a:hover dt a {background:#d4d8bd url(top_grad_2.gif) center center; color:#ff0; } #menu li:hover dd, #menu li a:hover dd {display:block;} #menu li:hover dl, #menu li a:hover dl {height:20em; background:#b4be9c url(sub_grad.gif);} #menu table {border-collapse:collapse; padding:0; margin:-4px; font-size:1em;} #menu dl {width: 15em; margin: 0; background: #6f9c6f; cursor:pointer;} #menu dt {margin:0; padding: 0; font-size: 1.1em; border-top:1px solid #cce;} #menu dd {margin:0; padding:0; font-size: 1em; text-align:left; } .gallery dt a, .gallery dt a:visited {display:block; color:#fff; padding:5px 5px 5px 10px; background:#949e7c url(top_grad.gif) center center;} .gallery dd a, .gallery dd a:visited {color:#000; min-height:1em; text-decoration:none; display:block; padding:4px 5px 4px 20px; background:#b4be9c url(sub_grad.gif);} * html .gallery dd a, * html .gallery dd a:visited {height:1em;} .gallery dd a:hover {background:#7aa; color:#ff0;} </style> </head> <body> <div id=”dlmenu”> <ul id=”menu”> <li> <!–[if lte IE 6]><a href=”#nogo”><table><tr><td><![endif]–> <dl class=”gallery”> <dt><a href=”../menu/index.html”>DEMOS</a></dt> <dd><a href=”../menu/zero_dollars.html” title=”The zero dollar ads page”>zero dollars</a></dd> <dd><a href=”../menu/embed.html” title=”Wrapping text around images”>wrapping text</a></dd> <dd><a href=”../menu/form.html” title=”Styling forms”>styled form</a></dd> <dd><a href=”../menu/nodots.html” title=”Removing active/focus borders”>active focus</a></dd> <dd><a href=”../menu/shadow_boxing.html” title=”Multi-position drop shadow”>shadow boxing</a></dd> <dd><a href=”../menu/old_master.html” title=”Image Map for detailed information”>image map</a></dd> <dd><a href=”../menu/bodies.html” title=”fun with background images”>fun with backgrounds</a></dd> <dd><a href=”../menu/fade_scroll.html” title=”fade-out scrolling”>fade scrolling</a></dd> <dd><a href=”../menu/em_images.html” title=”em size images compared”>em sized images</a></dd> </dl> <!–[if lte IE 6]></td></tr></table></a><![endif]–> </li> <li> <!–[if lte IE 6]><a href=”#nogo”><table><tr><td><![endif]–> <dl class=”gallery”> <dt><a href=”index.html”>MENUS</a></dt> <dd><a href=”spies.html” title=”a coded list of spies”>spies menu</a></dd> <dd><a href=”vertical.html” title=”a horizontal vertical menu”>vertical menu</a></dd> <dd><a href=”expand.html” title=”an enlarging unordered list”>enlarging list</a></dd> <dd><a href=”enlarge.html” title=”an unordered list with link images”>link images</a></dd> <dd><a href=”cross.html” title=”non-rectangular links”>non-rectangular links</a></dd> <dd><a href=”jigsaw.html” title=”jigsaw links”>jigsaw links</a></dd> <dd><a href=”circles.html” title=”circular links”>circular links</a></dd> </dl> <!–[if lte IE 6]></td></tr></table></a><![endif]–> </li> <li> <!–[if lte IE 6]><a href=”#nogo”><table><tr><td><![endif]–> <dl class=”gallery”> <dt><a href=”../layouts/index.html”>LAYOUTS</a></dt> <dd><a href=”../layouts/bodyfix.html” title=”Cross browser fixed layout”>Fixed 1</a></dd> <dd><a href=”../layouts/body2.html” title=”Cross browser fixed layout”>Fixed 2</a></dd> <dd><a href=”../layouts/body4.html” title=”Cross browser fixed layout”>Fixed 3</a></dd> <dd><a href=”../layouts/body5.html” title=”Cross browser fixed layout”>Fixed 4</a></dd> <dd><a href=”../layouts/minimum.html” title=”A simple minimum width layout”>minimum width for Internet Explorer</a></dd> </dl> <!–[if lte IE 6]></td></tr></table></a><![endif]–> </li> <li> <!–[if lte IE 6]><a href=”#nogo”><table><tr><td><![endif]–> <dl class=”gallery”> <dt><a href=”../mozilla/index.html”>MOZILLA</a></dt> <dd><a href=”../mozilla/dropdown.html” title=”A drop down menu”>drop down menu</a></dd> <dd><a href=”../mozilla/cascade.html” title=”A cascading menu”>cascading menu</a></dd> <dd><a href=”../mozilla/content.html” title=”Using content:”>content:</a></dd> <dd><a href=”../mozilla/moxbox.html” title=”:hover applied to a div”>mozzie box</a></dd> <dd><a href=”../mozilla/rainbow.html” title=”I can build a rainbow”>rainbow box</a></dd> <dd><a href=”../mozilla/snooker.html” title=”Snooker cue”>snooker cue made using border art</a></dd> <dd><a href=”../mozilla/target.html” title=”Target Practise”>target practise</a></dd> </dl> <!–[if lte IE 6]></td></tr></table></a><![endif]–> </li> </ul> </div> </body> </html>
提示：您可以先修改部分代码再运行
