don't preload videos, try to fix Leaflet CSP errors

css/leaflet/leaflet.css

@@ -60,6 +60,11 @@
 	padding: 0;
 	}
 
+.leaflet-container img.leaflet-tile {
+	/* See: https://bugs.chromium.org/p/chromium/issues/detail?id=600120 */
+	mix-blend-mode: plus-lighter;
+}
+
 .leaflet-container.leaflet-touch-zoom {
 	-ms-touch-action: pan-x pan-y;
 	touch-action: pan-x pan-y;
@@ -351,12 +356,12 @@ svg.leaflet-image-layer.leaflet-interactive path {
 	border-radius: 5px;
 	}
 .leaflet-control-layers-toggle {
-	background-image: url(/images/layers.png);
+	background-image: url(images/layers.png);
 	width: 36px;
 	height: 36px;
 	}
 .leaflet-retina .leaflet-control-layers-toggle {
-	background-image: url(/images/layers-2x.png);
+	background-image: url(images/layers-2x.png);
 	background-size: 26px 26px;
 	}
 .leaflet-touch .leaflet-control-layers-toggle {
@@ -399,7 +404,7 @@ svg.leaflet-image-layer.leaflet-interactive path {
 
 /* Default icon URLs */
 .leaflet-default-icon-path { /* used only in path-guessing heuristic, see L.Icon.Default */
-	background-image: url(/images/marker-icon.png);
+	background-image: url(images/marker-icon.png);
 	}
 
 
@@ -646,7 +651,7 @@ svg.leaflet-image-layer.leaflet-interactive path {
 	}
 
 /* Printing */
-	
+
 @media print {
 	/* Prevent printers from removing background-images of controls. */
 	.leaflet-control {

layouts/_default/single.html

@@ -24,7 +24,7 @@
        <script>
           var map = L.map('map').setView([55, -3], 13);
 
-          L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
+          L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
               maxZoom: 19,
               attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
           }).addTo(map);

layouts/blog/single.html

@@ -24,7 +24,7 @@
         <script>
             var map = L.map('map').setView([55, -3], 13);
 
-            L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
+            L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
                 maxZoom: 19,
                 attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
             }).addTo(map);

layouts/locations/list.html

@@ -25,7 +25,7 @@
             fullscreenControl: true
         }).setView([55, -3], 3);
 
-        L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
+        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
             maxZoom: 19,
             attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
         }).addTo(map);

layouts/partials/media/video.html.tmpl

@@ -11,6 +11,7 @@
     class="u-video figure__video"
     controls
     itemprop="video"
+    preload="none"
     src="{{ $src.RelPermalink }}"
     poster="
     {{- if $src.Params.poster -}}