Attempt to modify the map size

app/assets/javascripts/maps.js.coffee

+# Setting up OpenStreeMap from a generic #map element
 $(document).ready ->
   $('#map.events').each ->
     map = L.map 'map'
@@ -19,7 +20,7 @@ $(document).ready ->
           if (feature.properties && feature.properties.popupContent)
             layer.bindPopup feature.properties.popupContent
 
-      map.addLayer L.markerClusterGroup().addLayer layer
+      map.addLayer L.markerClusterGroup( maxClusterRadius: 30 ).addLayer layer
 
       if (layer.getBounds()._northEast && layer.getBounds()._southWest)
         # Automatic focus to all displayed events
@@ -49,6 +50,6 @@ $(document).ready ->
           if (feature.properties && feature.properties.popupContent)
             layer.bindPopup(feature.properties.popupContent)
 
-      map.addLayer L.markerClusterGroup().addLayer layer
+      map.addLayer L.markerClusterGroup( maxClusterRadius: 30 ).addLayer layer
 
     marker = L.marker([coord[0], coord[1]]).addTo map

app/assets/stylesheets/maps.css.sass

@@ -14,12 +14,11 @@
   &.event
     height: 20em
 
-.tags
-  #map
-    width: 40%
-    height: 60em
-    margin: 1.6em 2%
-    +inline-block()
+.tags #map
+  width: 40%
+  height: 60em
+  margin: 1.6em 2%
+  +inline-block()
 
 html.iframe #map
   width: 100%