Leaflet Geoserver Map

<html>
    <head>
        <title>Test</title>
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.1/leaflet.css"/>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.1/leaflet.js"></script>
    </head>
    <body>

        <div id="map" class="map map-home" style="height: 800px; margin-top: 50px"></div>


        <script src="map.js"></script>
    </body>
</html>