<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script src="https://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<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-info btn-md" data-toggle="modal" data-target="#myModal" data-backdrop="true">Modal with Overlay (true)</button>
<button type="button" class="btn btn-info btn-md" data-toggle="modal" data-target="#myModal2" data-backdrop="false">Modal without Overlay (false)</button>
<button type="button" class="btn btn-info btn-md" 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">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Modal with Dark Overlay</h4>
</div>
<div class="modal-body">
<p>This modal has a dark overlay.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="myModal2" role="dialog">
<div class="modal-dialog">