diff -r bf8879a6470e -r 907a53a35a95 timeline/css/timeline.css
--- a/timeline/css/timeline.css	Mon Aug 19 18:04:32 2013 +0200
+++ b/timeline/css/timeline.css	Wed Sep 04 18:23:51 2013 +0200
@@ -85,7 +85,7 @@
     content: "."; position: absolute; height: 1px; text-indent: -9999px;
     width: 200px; top: 0; background: #DEDEDE; z-index: 5;
     background: -moz-linear-gradient(to right, rgba(220,220,220,1) 80px, rgba(220,220,220,.1) 140px );
-    background: -webkit-linear-gradient(to right, rgba(220,220,220,1) 80%, rgba(220,220,220,.1) 140px );
+    background: -webkit-linear-gradient(left, rgba(220,220,220,1) 80px, rgba(220,220,220,.1) 140px );
 }
 
 .Tl-UniversLabels li:after {
@@ -103,7 +103,7 @@
 .Tl-Grid {
     position: absolute; top: 0; right: 0; bottom: 0; overflow: hidden;
     background: -moz-linear-gradient(to right, #cccccc 0, #ffffff 3%, #ffffff 97%, #cccccc 100% );
-    background: -webkit-linear-gradient(to right, #cccccc 0, #ffffff 3%, #ffffff 97%, #cccccc 100% );
+    background: -webkit-linear-gradient(left, #cccccc 0, #ffffff 3%, #ffffff 97%, #cccccc 100% );
 }
 
 .Tl-Grid-Column {
@@ -123,11 +123,11 @@
 }
 
 .Tl-Occurrence {
-    width: 85px; height: 38px; cursor: pointer; border: 2px solid rgba(255,255,255,.9);
+    width: 38px; height: 38px; cursor: pointer; border: 2px solid rgba(255,255,255,.9);
 }
 
 .Tl-Occurrence img {
-    max-width: 100%; max-height: 100%; opacity: .6;
+    max-width: 100%; max-height: 100%;
 }
 
 .Tl-Editing {
@@ -151,41 +151,18 @@
 }
 
 .Tl-Overlay {
-    position: absolute; left: -105px; width: 210px; z-index: 6;
-}
-
-.Tl-Overlay-Up .Tl-Overlay {
-     bottom: 0;
-}
-
-.Tl-Overlay-Down .Tl-Overlay {
-     top: 22px;
+    position: absolute; left: -105px; width: 210px; z-index: 6; top: 22px;
 }
 
 .Tl-Overlay-Main {
     width: 190px;
-}
-
-.Tl-Overlay-Up .Tl-Overlay-Main {
-    background: url(../img/tooltip.png) top; padding: 10px 10px 0;
-}
-
-.Tl-Overlay-Down .Tl-Overlay-Main {
     background: url(../img/tooltip-down.png) bottom; padding: 0 10px 10px;
 }
 
-.Tl-Overlay-Up .Tl-Overlay-Tip-Bottom  {
-    width: 210px; height: 20px; background: url(../img/tooltip.png) bottom;
-}
-
-.Tl-Overlay-Down .Tl-Overlay-Tip-Top {
+.Tl-Overlay-Tip-Top {
     width: 210px; height: 20px; background: url(../img/tooltip-down.png) top;
 }
 
-.Tl-Overlay-Up .Tl-Overlay-Tip-Top, .Tl-Overlay-Down .Tl-Overlay-Tip-Bottom {
-    display: none;
-}
-
 h3.Tl-Tooltip-Title {
     font-size: 14px; font-weight: bold; color: #000080; margin: 0;
 }