<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<body class="hm-gradient">
<main>
<div class="container mt-4">
<div class="text-center darken-grey-text mb-4">
<h1 class="font-bold mt-4 mb-3 h5">Built with Material Design for Bootstrap 4</h1>
<a class="btn btn-danger btn-md" href="https://mdbootstrap.com/material-design-for-bootstrap/" target="_blank">Free download<i class="fa fa-download pl-2"></i></a>
</div>
<section>
<div class="row">
<div class="col-md-6 mb-4">
<div class="card">
<div class="card-body text-center">
<h4 class="font-up font-bold deep-purple-text mb-3"><strong>Regular map</strong></h4>
<div id="map-container" class="z-depth-1" style="height: 300px"></div>