stylesheet changes for corpus statistic panel integration

Change-Id: Ife1376a870aae54f9230618fb6d24b85f51fe980
diff --git a/dev/scss/main/buttongroup.scss b/dev/scss/main/buttongroup.scss
index 3e9ce00..f98f723 100644
--- a/dev/scss/main/buttongroup.scss
+++ b/dev/scss/main/buttongroup.scss
@@ -83,6 +83,12 @@
   color: $nearly-white;
 }
 
+
+.button-group.vcstatistic{
+	position:relative;
+	}
+
+
 ul.menu.button-group-list {
   border-top-right-radius: 8px;
   font-size: 10pt;