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我想将我拥有的内容(例如图像)放在行和列的中心。
我尝试使用 justify-content-center、align-item 和 text-align:center，但都没有用。
我需要图像位于行的中心。比如，如果我有 4 列，我需要让所有 4 列居中。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap Lessons</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Stilurile mele -->
<link rel="stylesheet" type="text/css" href="styles.css">
<!-- Fisier spre jQuery -->
<script src="https://code.jquery.com/jquery-3.4.1.js" integrity="sha256-WpOohJOqMqqyKL9FccASB9O0KwACQJpFTUBLTYOVvVU="crossorigin="anonymous"></script>
<!-- Fisier spre javascript -->
<script type="text/javascript" src="file.js" async></script>
<!-- FontAwesome - Icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
</head>
<body>
<div class="wrapper">
<div class="container">
<div class="row justify-content-center">
<div class="col-xl-12">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
</div>
<div class="row justify-content-center">
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
</div>
</div>
</div>
</body>
</html>
最佳答案
您可以在图像上使用以下 CSS:
display: block;
margin: 0 auto
完整代码:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap Lessons</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Stilurile mele -->
<link rel="stylesheet" type="text/css" href="styles.css">
<!-- Fisier spre jQuery -->
<script src="https://code.jquery.com/jquery-3.4.1.js" integrity="sha256-WpOohJOqMqqyKL9FccASB9O0KwACQJpFTUBLTYOVvVU="crossorigin="anonymous"></script>
<!-- Fisier spre javascript -->
<script type="text/javascript" src="file.js" async></script>
<!-- FontAwesome - Icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
</head>
<body>
<div class="wrapper">
<div class="container">
<div class="row justify-content-center">
<div class="col-xl-12">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png" style="margin:0 auto; display:block">
</div>
</div>
<div class="row justify-content-center">
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png" style="margin:0 auto; display:block">
</div>
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png" style="margin:0 auto; display:block">
</div>
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png" style="margin:0 auto; display:block">
</div>
</div>
</div>
</div>
</body>
</html>
关于html - 如何在 bootstrap 4 中将连续的内容居中？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/57839970/
26
4
0
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