<!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@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Progress Bar Height</h2>
<p>The height of the progress bar is 1rem (16px) by default. Use the CSS height property to change the height:</p>
<div class="progress" style="height:10px">
<div class="progress-bar" style="width:40%;"></div>
</div>
<br>
<div class="progress" style="height:20px">
<div class="progress-bar" style="width:50%;"></div>
</div>
<br>
<div class="progress" style="height:30px">
<div class="progress-bar" style="width:60%;"></div>
</div>