Bootstrap5网格垂直对齐
Bootstrap5网格垂直对齐:从上下到顺序
2.1 row标签中设置垂直对齐
通过在row标签中 添加align-items-start、align-items-center、align-items-end可以更改行在容器中的垂直对齐方式，以上三个标签分别为顶部对齐、居中对齐、底部对齐。以下是一段演示代码和效果图，代码中css代码设置背景色和间距，方便查看效果。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="keywords" content="">
<meta name="description" content="">
<link href="bootstrap5/bootstrap.min.css" rel="stylesheet">
<style>
.row{background-color: rgba(0, 0, 255, 0.178);height: 260px;margin:30px;}
.col{background-color: rgba(101, 101, 161, 0.842);height: 80px;padding: 30px;margin: 10px;}
</style>
<title>垂直对齐演示</title>
</head>
<body>
<div>
<div class="row align-items-start">
<div> </div>
<div></div>
<div></div>
</div>
<div class="row align-items-center">
<div> </div>
<div></div>
<div></div>
</div>
<div class="row align-items-end">
<div> </div>
<div></div>
<div></div>
</div>
</div>
<script src="bootstrap5/bootstrap.bundle.min.js" ></script>
</body>
</html>
2.2 col标签中设置垂直对齐
通过在col标签中 添加align-self-start、align-self-center、align-self-end可以更改列在行中的垂直对齐方式，以上三个标签分别为顶部对齐、居中对齐、底部对齐。以下是一段演示代码和效果图，代码中css代码设置背景色和间距，方便查看效果。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="keywords" content="">
<meta name="description" content="">
<link href="bootstrap5/bootstrap.min.css" rel="stylesheet">
<style>
.row{background-color: rgba(0, 0, 255, 0.178);height: 260px;margin:30px;}
.col{background-color: rgba(101, 101, 161, 0.842);height: 80px;padding: 30px;margin: 10px;}
</style>
<title>垂直对齐演示</title>
</head>
<body>
<div>
<div class="row align-items-start">
<div class="col align-self-start"> </div>
<div class="col align-self-center"></div>
<div class="col align-self-end"></div>
</div>
</div>
<script src="bootstrap5/bootstrap.bundle.min.js" ></script>
</body>
</html>