Bootstrap 4 .justify-content-*-center类
在Bootstrap4中使用justify-content-*-center类将内容放在不同屏幕尺寸上。
对于不同的屏幕尺寸-
justify-content-sm-center: Small Screen Sizejustify-content-md-center: Medium Screen Sizejustify-content-lg-center: Large Screen Sizejustify-content-xl-center: Extra Large Screen Size
让我们看看如何实现justify-content-*-center类-
示例
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h3>Vehicle</h3>
<div class="d-flex justify-content-sm-center bg-warning mb-5">
<div class="p-2 bg-danger">Car</div>
<div class="p-2 bg-info">Bike</div>
<div class="p-2 bg-secondary">Truck</div>
</div>
<div class="d-flex justify-content-md-center bg-warning mb-5">
<div class="p-2 bg-danger">Car</div>
<div class="p-2 bg-info">Bike</div>
<div class="p-2 bg-secondary">Truck</div>
</div>
<div class="d-flex justify-content-lg-center bg-warning mb-5">
<div class="p-2 bg-danger">Car</div>
<div class="p-2 bg-info">Bike</div>
<div class="p-2 bg-secondary">Truck</div>
</div>
<div class="d-flex justify-content-xl-center bg-warning mb-5">
<div class="p-2 bg-danger">Car</div>
<div class="p-2 bg-info">Bike</div>
<div class="p-2 bg-secondary">Truck</div>
</div>
</div>
</body>
</html>