href链接不可点击

问题描述：

我正在建立的网站有问题.我有一个菜单，其中包含2个链接到列表项的链接(称为默认"和测试")，但是在Firefox中，我无法单击它们.在IE中，它们起作用:我认为页面上的项目是z-index问题，但我无法解决.

I've a problem with a website I'm building. I've a menu containing 2 links (called "Default" and "Test") into list items but in Firefox I can't click them. In IE they works: I think is a z-index problem of items on the page but I can't solve it.

<!DOCTYPE html>
<html>
<head>
<style>
.sezup li.current{
    color:#067d2c;
    position:relative;
    z-index:20;
}

.sezup a, a:hover{
    color:#067d2c;
    position:relative;
    z-index:20;
}
.header{
    position:relative;
    top:0px;
}
.sezup {
    margin: 0 auto;
    padding: 0 0 0 75px;
    width:800px;
position:relative;
    z-index:20;
}
#lineaup {
    background: url("../Images/sfondobarraup.png") repeat scroll 0 0 transparent;
    height: 16px;
    margin: 55px 0 0;
    position: relative;
    z-index: 0;
    top: -25px;
    left: 0px;
}
#lineaup li {
    bottom: 6px;
    float: left;
    margin: 0 10px;
    padding: 2px 15px;
    position: relative;
}
.loghi {
    margin: 0 auto;
    padding: 20px 0 0;
    position: relative;
    top: -45px;
    width: 1000px;
    height: 97px;
    border:1px black solid;
}
#logo {
    position: relative;
    top: -20px;
    float:left;
}
#calciatore {
    position: relative;
    float:right;
    top:-50px;
}
#erba {
    background: url("../Images/erba.png") repeat scroll 0 0 transparent;
    height: 65px;
    position: relative;
    top: -110px;
    z-index: 0;
    border:1px black solid;
}
</style>
</head>
    <body>



        <div class="header">
            <div id="lineaup">
                <div class="sezup">
                    <ul>

                        <li class="current"><a href="Default.aspx" id="hrefHome">Default</a></li>
                        <li><a href="test.aspx?id=1" id="hrefProfile">Test</a></li>
                    </ul>
                </div>
            </div>
            <div class="loghi">

                <img src="" title="logo" id="logo" /><img src="" title="logo" id="calciatore" />

            </div>

             <div id="erba">
             </div>
        </div>

    </body>

</html>

答

由于

Because of the stacking context, once you set a z-index on a parent element, you can't "break out" of it by setting a higher z-index on a child element.

通常，通过删除所有多余的z-index值并仅将它们添加到需要的地方，处理起来要容易得多.

Usually it's a lot easier to deal with by removing all the superfluous z-index values and only adding them where you need it.

在此处查看演示

href链接不可点击

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