leaflet image overlay

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <meta http-equiv="x-ua-compatible" content="ie=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">

</style>
</head>
<body>
  <div id="map">

</div>
<script>
var mapboxProjectID = 'darrenjaworski.n120ogj4',
  accessToken = 'pk.eyJ1IjoiZGFycmVuamF3b3Jza2kiLCJhIjoiZmQ4OTYyNzJjYzc0OThiZTFjMmViMDE3ZmI0NTJmOTgifQ.3XwMxZz97E3nuPEZLoxohw';

var map = L.map('map')
  .setView([35.467560, -97.516428], 16);

L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
    attribution: 'Map data &copy; <a href="https://openstreetmap.org">OpenStreetMap</a> contributors, <a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="https://mapbox.com">Mapbox</a>',
    minZoom: 15,
    id: mapboxProjectID,
    accessToken: accessToken
}).addTo(map);

var imageUrl = 'https://darrenjaworski.com/images/p180.png',
    imageBounds = [[35.4770, -97.5255], [35.4615, -97.5083]];

L.imageOverlay(imageUrl, imageBounds).addTo(map);

</script>

Modified http://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js to a secure url

https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js