Bootstrap 5 张卡片在较小的屏幕上重叠
Bootstrap 5 card overlapping in smaller screen
.footerlink a{
color: inherit;
text-decoration: none;
}
.card{
height:18rem;
}
.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;
}
}
.thumbcard{
width: 15rem;
height: 18rem;
}
@media(max-width: 768px){
.thumbcard{
width: 10rem;
height: 18rem;
}
}
a.custom-card,
a.custom-card:hover {
color: inherit;
text-decoration: none;
}
@media(max-width: 768px){
a.custom-card h5{
font-size: 1rem;
}
a.custom-card .card-body{
padding: 0.5rem 0.5rem;
font-size: 0.95rem;
line-height: none;
}
}
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
<meta name="generator" content="Hugo 0.79.0">
<title>Album example · Bootstrap v5.0</title>
<link rel="canonical" href="https://getbootstrap.com/docs/5.0/examples/album/">
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/style7.css">
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<div class="container-fluid">
<div class="flex-row d-flex">
<a class="navbar-brand" href="#" title="Brand">Brand</a>
</div>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavDarkDropdown" aria-controls="navbarNavDarkDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDarkDropdown">
<ul class="navbar-nav mr-auto">
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
Dropdown
</a>
<ul class="dropdown-menu dropdown-menu-dark" aria-labelledby="navbarDarkDropdownMenuLink">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li><a class="dropdown-item" href="#">Something else here</a></li>
</ul>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
</form>
</div>
</div>
</nav>
<main>
<div class="album py-5 bg-light">
<!-- <h2>Latest Articles</h2> -->
<div class="container">
<h2>Recent Articles</h2>
<div class="row row-cols-1 row-cols-sm-3 row-cols-md-4 g-3">
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
</div>
</div>
<hr/>
<div class="container">
<h2>Adventure</h2>
<div class="row row-cols-1 row-cols-sm-3 row-cols-md-4 g-3">
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
</div>
</div>
</div>
</div>
</main>
<footer class="text-muted py-5">
<div class="container">
<!-- <p class="float-end mb-1">
<a href="#">Back to top</a>
</p> -->
<p class="justify-content-center ms-5">©Website is affiliated to Third Party Websites</p>
<!-- <p class="mb-4 ms-5">Album example is © Bootstrap, but please download and customize it for yourself!</p> -->
<!-- <p class="mb-0">New to Bootstrap? <a href="/">Visit the homepage</a> or read our <a href="../getting-started/introduction/">getting started guide</a>.</p> -->
<div class="footerlink"><h4>
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在互联网上搜索后，我找不到任何可行的解决方案。
请耐心等待，这是一个重要的项目，我找不到对这个问题有意义的解决方案。
这是 Bootstrap Album 示例的扩展版本。
我添加了导航栏，并修改并添加了 CSS 以在移动屏幕上查看和更好地呈现卡片。
但是我无法解决小屏幕重叠的问题。当我在 Google 开发者选项中缩小屏幕时，我可以在平板电脑屏幕和更小（小于 968 像素）的屏幕尺寸中看到重叠的卡片。
我想找出问题所在，并去掉重叠的卡片。
只需将 width: 100% 添加到 .thumbcard 类 并添加 @media(max-width:768px){} 类.
已编辑 CSS 类
.thumbcard{
width: 15rem;
width: 100%;
height: 18rem;
}
@media(max-width: 768px){
.thumbcard{
width: 10rem;
width: 100%;
height: 18rem;
}
}
.footerlink a{
color: inherit;
text-decoration: none;
}
.card{
height:18rem;
}
.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;
}
}
.thumbcard{
width: 15rem;
height: 18rem;
}
@media(max-width: 768px){
.thumbcard{
width: 10rem;
height: 18rem;
}
}
a.custom-card,
a.custom-card:hover {
color: inherit;
text-decoration: none;
}
@media(max-width: 768px){
a.custom-card h5{
font-size: 1rem;
}
a.custom-card .card-body{
padding: 0.5rem 0.5rem;
font-size: 0.95rem;
line-height: none;
}
}
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
<meta name="generator" content="Hugo 0.79.0">
<title>Album example · Bootstrap v5.0</title>
<link rel="canonical" href="https://getbootstrap.com/docs/5.0/examples/album/">
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/style7.css">
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<div class="container-fluid">
<div class="flex-row d-flex">
<a class="navbar-brand" href="#" title="Brand">Brand</a>
</div>
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</button>
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<ul class="navbar-nav mr-auto">
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
<li class="nav-item"><a class="nav-link" href="#">Nav Item</a></li>
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<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
Dropdown
</a>
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<li><a class="dropdown-item" href="#">Action</a></li>
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</form>
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<!-- <h2>Latest Articles</h2> -->
<div class="container">
<h2>Recent Articles</h2>
<div class="row row-cols-1 row-cols-sm-3 row-cols-md-4 g-3">
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
</div>
</div>
<hr/>
<div class="container">
<h2>Adventure</h2>
<div class="row row-cols-1 row-cols-sm-3 row-cols-md-4 g-3">
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
<div class="col-6">
<a href="#" class="custom-card">
<div class="card shadow-sm thumbcard">
<svg class="bd-placeholder-img card-img-top" width="100%" height="225" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Placeholder: Thumbnail" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Placeholder</title><rect width="100%" height="100%" fill="#55595c"/><text x="50%" y="50%" fill="#eceeef" dy=".3em">Thumbnail</text></svg>
<div class="card-body">
<h5>This is demo header</h5>
<p class="card-text">This is demo test. This is another demo text. This is demo text</p>
</div>
<!-- <div class="card-footer">Card Footer only as Headline. Anohter paragraph added to test content</div> -->
</div>
</a>
</div>
</div>
</div>
</div>
</div>
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<a href="#">Back to top</a>
</p> -->
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<!-- <p class="mb-4 ms-5">Album example is © Bootstrap, but please download and customize it for yourself!</p> -->
<!-- <p class="mb-0">New to Bootstrap? <a href="/">Visit the homepage</a> or read our <a href="../getting-started/introduction/">getting started guide</a>.</p> -->
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在互联网上搜索后，我找不到任何可行的解决方案。 请耐心等待，这是一个重要的项目，我找不到对这个问题有意义的解决方案。
这是 Bootstrap Album 示例的扩展版本。
我添加了导航栏，并修改并添加了 CSS 以在移动屏幕上查看和更好地呈现卡片。
但是我无法解决小屏幕重叠的问题。当我在 Google 开发者选项中缩小屏幕时，我可以在平板电脑屏幕和更小（小于 968 像素）的屏幕尺寸中看到重叠的卡片。
我想找出问题所在，并去掉重叠的卡片。
只需将 width: 100% 添加到 .thumbcard 类 并添加 @media(max-width:768px){} 类.
已编辑 CSS 类
.thumbcard{
width: 15rem;
width: 100%;
height: 18rem;
}
@media(max-width: 768px){
.thumbcard{
width: 10rem;
width: 100%;
height: 18rem;
}
}