JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js"></script>
<div id="map-canvas"></div>

CSS

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

JavaScript

function initialize() {
    var mapOptions = {
        center: {
            lat: -34.397,
            lng: 150.644
        },
        zoom: 8
    };
    var map = new google.maps.Map(document.getElementById('map-canvas'),
    mapOptions);
}
google.maps.event.addDomListener(window, 'load', initialize);