diff --git a/theme/standard/styles_color.css b/theme/standard/styles_color.css
index 09718008752..d105e7a7d64 100644
--- a/theme/standard/styles_color.css
+++ b/theme/standard/styles_color.css
@@ -574,7 +574,7 @@ table.minicalendar {
 }
 
 .categoryboxcontent,
-.courseboxcontent {
+.coursebox {
   border-color:#DDDDDD;
 }
 body#course-user .section {
diff --git a/theme/standard/styles_moz.css b/theme/standard/styles_moz.css
index 66d076403be..ac29d4a7189 100644
--- a/theme/standard/styles_moz.css
+++ b/theme/standard/styles_moz.css
@@ -81,8 +81,8 @@
 }
 
 .categorybox, .categoryboxcontent, 
-.coursebox, .courseboxcontent {
-  -moz-border-radius:20px;
+.coursebox {
+  -moz-border-radius:10px;
 }