diff --git a/app/assets/stylesheets/clean.css.erb b/app/assets/stylesheets/clean.css.erb
index 27731a6e..e4da394b 100644
--- a/app/assets/stylesheets/clean.css.erb
+++ b/app/assets/stylesheets/clean.css.erb
@@ -52,7 +52,8 @@
 	display: block;
 }
 .mapPage .mapElementHidden,
-.topicPage .mapElement.mapInfoBox {
+.topicPage .mapElement.mapInfoBox,
+.topicPage .mapElement.importDialog {
   display:none;
 }
 .topicPage .starMap {