diff --git a/src/pages/overall/overall-course/overall-course.scss b/src/pages/overall/overall-course/overall-course.scss
index 8f6d801..647b261 100644
--- a/src/pages/overall/overall-course/overall-course.scss
+++ b/src/pages/overall/overall-course/overall-course.scss
@@ -70,14 +70,14 @@
     {
         .unread-number
         {
-            background: #ff6c00;
+            background: var(--unread);
             color: white;
-            box-shadow: 0 0 5px 0 #ff6123;
+            box-shadow: 0 0 5px 0 var(--unread);
         }
 
         .unread-text
         {
-            color: #ff6c00;
+            color: var(--unread);
         }
     }