diff --git a/css/customstyles.css b/css/customstyles.css
index 676c804..0c04a45 100644
--- a/css/customstyles.css
+++ b/css/customstyles.css
@@ -369,7 +369,7 @@ a.accordion-toggle, a.accordion-collapsed {
 .nav li > a > span:after {
     content: '\25be';
 }
-.nav li.open > a > span:after {
+.nav li.active > a > span:after {
     content: '\25b4';
 }
 
@@ -1178,4 +1178,4 @@ div.box.box1 {
 h4.panel-title {
     padding-top: 0px;
     margin-top: 0px;
-}
\ No newline at end of file
+}