在Bootstrap 4的父元素中间放置一个元素
使用align-middle类将元素放置在父元素的中间。
将元素放置在中间-
<span class="align-middle"> Middle Alignment </span>
让我们看一个在Bootstrap4中实现align-middle类的示例-
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">
<h2>Example</h2>
<p>This is demo text<p>
<span class="align-baseline">Demo Baseline</span>
<span class="align-top">Top Alignment</span>
<span class="align-middle">Middle Alignment</span>
<span class="align-bottom">Bottom Alignment</span>
</div>
</body>
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