diff --git a/theme/wood/styles_color.css b/theme/wood/styles_color.css
index 9092a8fb631..a7ef81a4f3c 100644
--- a/theme/wood/styles_color.css
+++ b/theme/wood/styles_color.css
@@ -196,8 +196,8 @@ legend,
 .block_calendar_month .minicalendar,
 #calendar .maincalendar .eventlist .event,
 #calendar .maincalendar,
-.courseboxcontent,
-.categoryboxcontent,
+.coursebox,
+.categorybox,
 .cal_popup_fg,
 #course-view .section td.content,
 table.files,