diff --git a/content/static/style/default.css b/content/static/style/default.css
index 5a893cce5..224eafa70 100644
--- a/content/static/style/default.css
+++ b/content/static/style/default.css
@@ -477,6 +477,9 @@ table.calendar tr td ul li {
   line-height: 1.3em;
   margin-top: 1.5em;
 }
+table.calendar tr td:hover ul li {
+  overflow: visible;
+}
 
 /* -- MIME Icons -- */
 /* Icons from the Tango Project, http://art.gnome.org/themes/icon/1150 */