diff -r c132eab34980 -r 60322cb8636c web/data/cubicweb.calendar.css
--- a/web/data/cubicweb.calendar.css	Thu Jan 16 15:10:54 2014 +0100
+++ b/web/data/cubicweb.calendar.css	Fri Jan 17 09:35:53 2014 +0100
@@ -342,21 +342,21 @@
 /* ------------------------- */
 /* tooltips for fullcalendar */
 
-div.calevent div.tooltip {
+a.calevent div.tooltip {
    display: none; /* tooltip hidden */
 }
 
-div.calevent:hover {
+a.calevent:hover {
    z-index: auto !important; /* in order that the tooltip from the above .calevent div can be put over this div*/
 }
 
-div.calevent a{
+a.calevent {
    display: inline;
    font-size: none;
    font-weight: bold;
 }
 
-div.calevent:hover div.tooltip{
+a.calevent:hover div.tooltip{
    display: block;
    position: absolute;
    z-index: 10;
@@ -382,4 +382,4 @@
 
 div.fc-view{
   overflow: visible;
-}
\ No newline at end of file
+}