纯css下拉菜单(适合底部下拉菜单)代码

<style type="text/css">
/* common styling */
/* Set up the default font and ovrall size to include image */
 body {
background: #fff;
font-family: "Lucida Grande", Helvetica, Arial, sans-serif;
font-size: 12px;
}
.menu {font-family: verdana, arial, sans-serif; width:735px; position:relative; font-size:11px; margin:50px auto;}
.menu ul li a, .menu ul li a:visited {display:block; text-decoration:none; width:94px; height:25px; text-align:left; color:#000; padding-left:10px; border:1px solid #fff; border-width:0 1px 1px 0; background:#c9c9a7; line-height:25px; font-size:11px;}
.menu ul {padding:0; margin:0;list-style-type: none; }
.menu ul li {float:left; position:relative;}
.menu ul li ul {visibility:hidden; position:absolute;}

.menu table {border-collapse:collapse; margin:0; padding:0; font-size:1em; margin:-1px;}

.menu ul li:hover a, .menu ul li a:hover {color:#000; background:#e9e9c7;}

.menu ul li:hover ul, .menu ul li a:hover ul {visibility:visible; bottom:26px; left:0;}

.menu ul li:hover ul li a.sub, .menu ul li a:hover ul li a.sub {background:#a7c9c9; color:#000;}

.menu ul li:hover ul li, .menu ul li a:hover ul li {display:block; background:#fff; color:#000;width:199px; clear:both;}

.menu ul li:hover ul li:hover a.sub, .menu ul li a:hover ul li a:hover.sub {background:#dfc184; color:#000;}

.menu ul li:hover ul li ul, .menu ul li a:hover ul li a ul {visibility:hidden; position:absolute;}

.menu ul li:hover ul li a, .menu ul li a:hover ul li a {display:block; background:#c9a7c9; color:#000; width:100%; padding-left:10px;}

.menu ul li:hover ul li a:hover, .menu ul li a:hover ul li a:hover {background:#dfc184; color:#000;}

.menu ul li:hover ul li:hover ul, .menu ul li a:hover ul li a:hover ul {visibility:visible; left:210px; bottom:0;}

.menu ul li:hover ul li:hover ul li a, .menu ul li a:hover ul li a:hover ul li a {background:#dfc184; color:#000;}

.menu ul li:hover ul li:hover ul li a:hover, .menu ul li a:hover ul li a:hover ul li a:hover {background:#c9c9a7; color:#000;}

.menu ul li:hover ul.left, .menu ul li a:hover ul.left {left:-105px;}

.menu ul li:hover ul li:hover ul.left, .menu ul li a:hover ul li a:hover ul.left {left:-210px; width:209px;}
</style>

<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
<div class="menu">
<ul>
<li><a href="../menu/index.html">DEMOS<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="../menu/zero_dollars.html" title="The zero dollar ads page">zero dollars</a></li>
<li><a href="../menu/embed.html" title="Wrapping text around images">wrapping text</a></li>
<li><a href="../menu/form.html" title="Styling forms">styled form</a></li>
<li><a href="../menu/nodots.html" title="Removing active/focus borders">active focus</a></li>
<li><a class="sub" href="../menu/hover_click.html" title="Hover/click with no active/focus borders">HOVER/CLICK &gt;<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="../menu/form.html" title="Styling forms">styled form</a></li>
<li><a href="../menu/nodots.html" title="Removing active/focus borders">active focus</a></li>
<li><a href="../menu/hover_click.html" title="Hover/click with no active/focus borders">hover/click</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../menu/shadow_boxing.html" title="Multi-position drop shadow">shadow boxing</a></li>
<li><a href="../menu/old_master.html" title="Image Map for detailed information">image map</a></li>
<li><a href="../menu/bodies.html" title="fun with background images">fun backgrounds</a></li>
<li><a href="../menu/fade_scroll.html" title="fade-out scrolling">fade scrolling</a></li>
<li><a href="../menu/em_images.html" title="em size images compared">em sized images</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="index.html">MENUS<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="spies.html" title="a coded list of spies">spies menu</a></li>
<li><a href="vertical.html" title="a horizontal vertical menu">vertical menu</a></li>
<li><a href="expand.html" title="an enlarging unordered list">enlarging list</a></li>
<li><a href="enlarge.html" title="an unordered list with link images">link images</a></li>
<li><a href="cross.html" title="non-rectangular links">non-rectangular</a></li>
<li><a href="jigsaw.html" title="jigsaw links">jigsaw links</a></li>
<li><a href="circles.html" title="circular links">circular links</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../layouts/index.html">LAYOUTS<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="../layouts/bodyfix.html" title="Cross browser fixed layout">Fixed 1</a></li>
<li><a href="../layouts/body2.html" title="Cross browser fixed layout">Fixed 2</a></li>
<li><a href="../layouts/body4.html" title="Cross browser fixed layout">Fixed 3</a></li>
<li><a href="../layouts/body5.html" title="Cross browser fixed layout">Fixed 4</a></li>
<li><a href="../layouts/minimum.html" title="A simple minimum width layout">minimum width</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../boxes/index.html">BOXES<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="spies.html" title="a coded list of spies">spies menu</a></li>
<li><a href="vertical.html" title="a horizontal vertical menu">vertical menu</a></li>
<li><a href="expand.html" title="an enlarging unordered list">enlarging list</a></li>
<li><a href="enlarge.html" title="an unordered list with link images">link images</a></li>
<li><a href="cross.html" title="non-rectangular links">non-rectangular</a></li>
<li><a href="jigsaw.html" title="jigsaw links">jigsaw links</a></li>
<li><a href="circles.html" title="circular links">circular links</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../mozilla/index.html">MOZILLA<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="../mozilla/dropdown.html" title="A drop down menu">drop down menu</a></li>
<li><a href="../mozilla/cascade.html" title="A cascading menu">cascading menu</a></li>
<li><a href="../mozilla/content.html" title="Using content:">content:</a></li>
<li><a href="../mozilla/moxbox.html" title=":hover applied to a div">mozzie box</a></li>
<li><a href="../mozilla/rainbow.html" title="I can build a rainbow">rainbow box</a></li>
<li><a href="../mozilla/snooker.html" title="Snooker cue">snooker cue</a></li>
<li><a href="../mozilla/target.html" title="Target Practise">target practise</a></li>
<li><a href="../mozilla/splittext.html" title="Two tone headings">two tone headings</a></li>
<li><a href="../mozilla/shadow_text.html" title="Shadow text">shadow text</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../ie/index.html">EXPLORER<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="../ie/exampleone.html" title="Example one">example one</a></li>
<li><a href="../ie/weft.html" title="Weft fonts">weft fonts</a></li>
<li><a href="../ie/exampletwo.html" title="Vertical align">vertical align</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../opacity/index.html">OPACITY<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul class="left">
<li><a class="sub" href="../menu/hover_click.html" title="Hover/click with no active/focus borders">&lt; HOVER/CLICK<!--[if IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul class="left">
<li><a href="../menu/form.html" title="Styling forms">styled form</a></li>
<li><a href="../menu/nodots.html" title="Removing active/focus borders">active focus</a></li>
<li><a href="../menu/hover_click.html" title="Hover/click with no active/focus borders">hover/click</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
<li><a href="../opacity/colours.html" title="colour wheel">opaque colours</a></li>
<li><a href="../opacity/picturemenu.html" title="a menu using opacity">opaque menu</a></li>
<li><a href="../opacity/png.html" title="partial opacity">partial opacity</a></li>
<li><a href="../opacity/png2.html" title="partial opacity II">partial opacity II</a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
</ul>
</div>