diff --git a/app/assets/stylesheets/screen.scss b/app/assets/stylesheets/screen.scss
index 5dadd3f6..bf57d16b 100644
--- a/app/assets/stylesheets/screen.scss
+++ b/app/assets/stylesheets/screen.scss
@@ -230,6 +230,11 @@ SIDEBAR NAVIGATION
     width:160px;
     border-bottom-right-radius:10px;
     border-top-right-radius:10px;
+
+    details[open] summary {
+      visibility: hidden;
+      margin: 0;
+    }
   }
 }
 
@@ -290,6 +295,7 @@ TABLES GENERALS
   clear:both;
   color:#555555;
   font-size: 1em;
+  overflow-x: auto;
 }
 
 #table-wrap table {