diff --git a/app/assets/stylesheets/maps.sass b/app/assets/stylesheets/maps.sass
index 38ec187b35b7f2e12821a76b90e2d21b13ae8d5a..f9e257d824a2edc85a44f104c8298e69297f38b1 100644
--- a/app/assets/stylesheets/maps.sass
+++ b/app/assets/stylesheets/maps.sass
@@ -27,7 +27,7 @@ section.leaflet-control-layers-list label
     display: inline-block !important
     position: relative !important
 
-html.iframe #map
-  width: 100%
-  max-width: 100%
-  box-shadow: none
+html.iframe
+  &, body, main, #map
+    width: 100%
+    height: 100%