【发布时间】：2021-03-09 21:06:12
【问题描述】：
我想做像this 这样的粘性页脚，但即使我从那里复制它，它看起来也不一样。当我缩小页面时，导航栏将贴在顶部，而不是底部。截图如下：
这是我的代码（我说过，基本上是从那个页面复制的）：
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-alpha3/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-CuOF+2SnTUfTwSZjCXf01h7uYhfOBuxIhGKPbfEJ3+FqH/s6cIFN9bGr1HmAg4fQ" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<style>
.bd-placeholder-img {
font-size: 1.125rem;
text-anchor: middle;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
}
@media (min-width: 768px) {
.bd-placeholder-img-lg {
font-size: 3.5rem;
}
}
</style>
<link href="css/styles.css" rel="stylesheet">
<title>Hello, world!</title>
</head>
<body class="d-flex flex-column h-100">
<header>
<!-- Fixed navbar -->
<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">Fixed navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav mr-auto mb-2 mb-md-0">
<li class="nav-item active">
<a class="nav-link" aria-current="page" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
</li>
</ul>
<form class="d-flex">
<input class="form-control mr-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</div>
</nav>
</header>
<!-- Begin page content -->
<main class="flex-shrink-0">
<div class="container">
<h1 class="mt-5">Sticky footer with fixed navbar</h1>
<p class="lead">Pin a footer to the bottom of the viewport in desktop browsers with this custom HTML and CSS. A fixed navbar has been added with <code class="small">padding-top: 60px;</code> on the <code class="small">main > .container</code>.</p>
<p>Back to <a href="/docs/5.0/examples/sticky-footer/">the default sticky footer</a> minus the navbar.</p>
</div>
</main>
<footer class="footer mt-auto py-3 bg-light">
<div class="container">
<span class="text-muted">Place sticky footer content here.</span>
</div>
</footer>
</body>
如何像引导示例中的那样做粘性页脚？任何帮助将不胜感激
【问题讨论】：
标签： navbar bootstrap-5