Index: lams_central/web/css/chart.css
===================================================================
RCS file: /usr/local/cvsroot/lams_central/web/css/chart.css,v
diff -u -r1.1.2.2 -r1.1.2.3
--- lams_central/web/css/chart.css	17 Jul 2015 11:35:12 -0000	1.1.2.2
+++ lams_central/web/css/chart.css	18 Nov 2016 17:11:12 -0000	1.1.2.3
@@ -6,4 +6,15 @@
 	fill: none;
 	stroke: #000;
 	shape-rendering: crispEdges;
+}
+
+div.tooltip {	
+    position: absolute;			
+    padding: 2px;				
+    font: 12px sans-serif;		
+    background: #FFFFFF;
+    border: 0px;		
+    border-radius: 8px;			
+    pointer-events: none;
+	opacity: 0;
 }
\ No newline at end of file