JSFiddle - React, Tailwind, and code Playground

HTML

<script src='https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false'> </script>
<div id="map-canvas"></div>

CSS

#map-canvas{
    height: 400px;
    width: 400px;
}

JavaScript

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