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html - 烦人的右边距

转载 作者:行者123 更新时间:2023-11-28 02:33:44 27 4
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刚开始使用 bootstrap 练习,如果问题有点愚蠢,请见谅。但是无论我尝试过什么,都无法从右边摆脱这个空白(idk 如果它是边距或其他东西)。尝试为以下代码中的几乎每个类/标签设置边距 0,设置不同的宽度等。请帮助澄清我做错了什么?

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">

<title>CNN homepage</title>

<!-- Bootstrap core CSS -->
<link href="bootstrap\dist\css\Bootstrap.css" rel="stylesheet">

<!-- Custom styles for this template -->



<style>
:root {
--jumbotron-padding-y: 3rem;
}

.jumbotron {
padding-top: var(--jumbotron-padding-y);
padding-bottom: var(--jumbotron-padding-y);
margin-bottom: 0;
background-color: #fff;
}
@media (min-width: 768px) {
.jumbotron {

}
}

.jumbotron p:last-child {
margin-bottom: 0;
}

.jumbotron-heading {
font-weight: 300;
}

.jumbotron .container {
max-width: 40rem;
}

footer {
padding-top: 3rem;
padding-bottom: 3rem;
}

footer p {
margin-bottom: .25rem;
}



/* My code*/


.col-sm {
border: 2px solid black;
display: flex;
align-items: center;
justify-content: center;
background-color: #CB0003;
width: 100%;


}

.container {margin: 0;
padding: 0;
border: 2px solid black;
width:1500px;
}

.album {margin: 0;
padding: 0;
border: 2px solid black;
width:100%;}

footer {margin: 0;
padding: 0;
border: 2px solid black;
width:100%;}

header {margin: 0;
padding: 0;
border: 2px solid black;
width:100%;}

</style>


</head>
<body>



<header>
<div class="container">
<div class="row">
<div class="col-sm">
One of three columns
</div>
<div class="col-sm" id="img_container">
<img id="logo" src="07_homewok_cnn_IMG\cnns.jpg">
</div>
<div class="col-sm">
One of three columns
</div>

</div>
</div>

</header>
<main role="main">



<div class="album py-5 bg-light">
<div class="container">

<div class="row">
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>

<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>

<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
<div class="col-md-4">
<div class="card mb-4 box-shadow">
<img class="card-img-top" data-src="holder.js/100px225?theme=thumb&bg=55595c&fg=eceeef&text=Thumbnail" alt="Card image cap">
<div class="card-body">
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
<div class="d-flex justify-content-between align-items-center">
<div class="btn-group">
<button type="button" class="btn btn-sm btn-outline-secondary">View</button>
<button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
</div>
<small class="text-muted">9 mins</small>
</div>
</div>
</div>
</div>
</div>
</div>
</div>

</main>

<footer class="text-muted">
<div class="container">
<p class="float-right">
<a href="#">Back to top</a>
</p>
<p>Album example is &copy; Bootstrap, but please download and customize it for yourself!</p>
<p>New to Bootstrap? <a href="../../">Visit the homepage</a> or read our <a href="../../getting-started/">getting started guide</a>.</p>
</div>
</footer>

<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->

</body>
</html>

最佳答案

bootstrap 中的 row 类中左右有一个 ma​​rgin(-15px)。将其更改为 0 或仅添加到no-gutters

关于html - 烦人的右边距,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48732292/

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