JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script>
    function initialize() {
        var myLatlng = new google.maps.LatLng(0,0);
        var mapOptions = {
        zoom: 0,
        center: myLatlng
        }
        var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
        
        var marker = new google.maps.Marker({
            position: myLatlng,
            map: map,
            title: 'Hello World!'
        });
    }
    
    google.maps.event.addDomListener(window, 'load', initialize);
</script>
<div id="map-canvas"></div>

CSS

html, body, #map-canvas {
    height: 100%;
    margin: 0px;
    padding: 0px
}