[#214] removed horizontal scrollbar when content is larger than the page

tracim/tracim/public/assets/css/dashboard.css

@@ -73,6 +73,9 @@ body {
   width: auto;
   margin: 0;
 }
+.content__wrapper.edit-mode-margin {
+  overflow: hidden;
+}
 
 .fixed-width-sidebar {
   width: auto !important;