VERTICAL ALIGN DIV ELEMENTS
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<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0/dist/css/bootstrap.min.css" rel="stylesheet" >
	<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js" ></script>
	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/js/bootstrap.min.js"></script>
</head>
<body>
	<div class="container">
		<h2>Vertical align div items</h2>
		<div class="d-flex align-items-md-start align-items-lg-center bg-info " style="height: 80px;">
			<div class="p-2 border border-light">Flex item 1</div>
			
		</div>
		<br>
		<div class="d-flex align-items-md-end align-items-lg-stretch bg-info" style="height: 100px;">
			<div class="p-2  border border-light">Flex item 1</div>
			
		</div>
		<br>
		<div class="d-flex align-items-sm-baseline align-items-md-center bg-info" style="height: 80px;">
			<div class="p-2 border border-light">Flex item 1</div>
			
		</div>
	</div>
</body>
</html>