<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Modal Options</h2>
<p>The data-backdrop attribute specifies whether the modal should have a dark overlay (the background color of the current page) or not.</p>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal" data-backdrop="true">Modal with Overlay (true)</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal2" data-backdrop="false">Modal without Overlay (false)</button>
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal3" data-backdrop="static">Modal with static backdrop</button>
<div class="modal fade" id="myModal" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title">Modal with Dark Overlay</h4>
<button type="button" class="close" data-dismiss="modal">×</button>