小提琴这里遇到问题:http://jsfiddle.net/csaltyj/3A78u/纯CSS导航
我要分分导航菜单将与其父的顶部对齐(因此顶部:0),但与父母的出于某种原因父对齐。我不知道发生了什么..任何想法?
HTML:
<div id="nav">
<ul>
<li><a>Item One</a></li>
<li><a>Item Two</a>
<ul>
<li><a>Item two has babies</a></li>
<li><a>Baby #2</a>
<ul>
<li><a>Sub-babies</a></li>
<li><a>This is fun</a></li>
<li><a>Last Item</a></li>
</ul>
</li>
<li><a>SubSub</a>
<ul>
<li><a>Another Item</a></li>
<li><a>Another!</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
CSS:
#nav {
height: 40px;
}
#nav ul {
list-style: none;
font-family: Arial, sans-serif;
font-size: 0.8em;
}
/* When mousing over any LI, reveal its UL if any */
#nav > ul li:hover > ul {
display: block;
}
/* For all links */
#nav a {
text-decoration: none;
color: #000;
}
/* Main nav styling */
#nav > ul > li > a {
padding: 1em;
}
#nav a:hover {
color: red;
}
#nav > ul > li {
float: left;
border: 1px solid #999;
}
/* Subnav styling */
#nav > ul ul {
display: none;
position: absolute;
font-size: 1em;
background: #eee;
padding: 0.5em;
border: 1px solid #999;
}
/* Subsubnav styling */
#nav > ul ul ul {
left: 50px;
top: 0;
width: 150px;
position: absolute;
}
#content {
}
这有效,但引入了一个奇怪的透明度问题:http://jsfiddle.net/csaltyj/3A78u/3/ – CaptSaltyJack 2011-06-02 20:37:27
'z-index:1' on'#nav> ul ul ul'修复了它:http:/ /jsfiddle.net/3A78u/4/ – thirtydot 2011-06-02 20:42:28