html展开折叠菜单 纯CSS竖向滑动展开折叠菜单

纯CSS竖向滑动可折叠菜单-

#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:15em; 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;}

**/

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