KCMOMVA

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <link rel="stylesheet" href="https://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" />
    <script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
   <script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.core.js"></script>
  
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    #map {
      height: 100%;
      margin: 30;
    }
  </style>
</head>

<body>
  <div id="map"></div>
  <script>
    var baselayer = L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', { attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="https://carto.com/attributions">CARTO</a>' });

var map = L.map('map', {
      center: [39.0835893, -94.6608975],
      zoom: 11,
      layers: [baselayer]
    });

cartoTileLayer(callback);
  </script>
</body>

Modified http://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js to a secure url

Modified http://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.core.js to a secure url

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js

https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js

https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.core.js