MAPG-80 mark guessable area on static maps

public/static/js/maps.js

@@ -8,9 +8,12 @@
                 var imgContainer = imgContainers[i];
 
                 var imgSrc = 'https://maps.googleapis.com/maps/api/staticmap?size=350x175&' +
-                    'scale=' + (window.devicePixelRatio >= 2 ? 2 : 1) + '&' +
-                    'visible=' + imgContainer.dataset.boundSouthLat + ',' + imgContainer.dataset.boundWestLng + '|' +
-                    imgContainer.dataset.boundNorthLat + ',' + imgContainer.dataset.boundEastLng +
+                    'scale=' + (window.devicePixelRatio >= 2 ? 2 : 1) + '&path=color:0x0000ff40|weight:3|fillcolor:0x0000ff20|' +
+                    imgContainer.dataset.boundSouthLat + ',' + imgContainer.dataset.boundWestLng + '|' +
+                    imgContainer.dataset.boundNorthLat + ',' + imgContainer.dataset.boundWestLng + '|' +
+                    imgContainer.dataset.boundNorthLat + ',' + imgContainer.dataset.boundEastLng + '|' +
+                    imgContainer.dataset.boundSouthLat + ',' + imgContainer.dataset.boundEastLng + '|' +
+                    imgContainer.dataset.boundSouthLat + ',' + imgContainer.dataset.boundWestLng +
                     '&key=' + GOOGLE_MAPS_JS_API_KEY;
 
                 imgContainer.style.backgroundImage = 'url("' + imgSrc + '")';