<!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://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container">
<h1>Padding Bottom Utilities</h1>
<p>Padding bottom utilities:</p>
<div class="pb-0 bg-warning">Padding Bottom 0</div>
<div class="pb-1 bg-success">Padding Bottom 1</div>
<div class="pb-2 bg-danger">Padding Bottom 2</div>
<div class="pb-3 bg-primary">Padding Bottom 3</div>
<div class="pb-4 bg-light">Padding Bottom 4</div>
<div class="pb-5 bg-info">Padding Bottom 5</div>
<br>
<p>Responsive padding bottom utilities. Resize the browser window to see the effect:</p>
<div class="pb-sm-5 bg-warning">Padding Bottom 5 on SM screens</div>
<div class="pb-md-5 bg-success">Padding Bottom 5 on MD screens</div>
<div class="pb-lg-5 bg-danger">Padding Bottom 5 on LG screens</div>