html - HTML / CSS导航栏下拉菜单在后台？

Question

您好，我从一个带有 html、css 等的网站开始，只是在导航栏上很忙，问题是 dropdwon 导航栏似乎在正文内容后面？有谁知道为什么，我试过 z-index 没有成功？

截图：https ://drive.google.com/uc?id=162Xk8sNiF-mAfe9oWTLZyybSgQAtCyi-

示例：https ://jsfiddle.net/atxkbjd3

提前致谢。

HTML：

<header>
    <div class="navbar">
    <h1 class="logo">Test</h1>
        <nav>
            <ul>
                <li><a href="#">Home</a></li>
                <li class="dropdown">
                    <a href="#social" class="dropbtn">Social</a>
                    <div class="dropdown-content">
                        <a href="#forum">Forum</a>
...
                    </div>
                </li>
                <li class="dropdown">
                    <a href="#game" class="dropbtn">Game</a>
                    <div class="dropdown-content">
                        <a href="#changelog">test 1</a>
...
                    </div>
                </li>
...
        </nav>
    </div>
</header>

CSS

...
nav>ul>li {
    display: inline-block;
    margin-left: 70px;
    padding-top: 17px;
    position: relative;
}

nav>ul>li>a {
    color: #444;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 14px;
}

...

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
        display: inline-block;
    text-align: left;
}
...

标签： htmlcss

Answer 1

删除overflow hidden_header

header {
    background: #EDEDED;
    /*overflow: hidden;*/
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
}

https://jsfiddle.net/atxkbjd3/2/