diff --git a/ExamSphere_demo/src/view/student/home.vue b/ExamSphere_demo/src/view/student/home.vue
index 2a8c77b..9cd7f51 100644
--- a/ExamSphere_demo/src/view/student/home.vue
+++ b/ExamSphere_demo/src/view/student/home.vue
@@ -213,12 +213,12 @@ onMounted(() => {
 }
 
 .news-card {
-  border: 1px solid #f9f9f9;
+  border: 1px solid #fff;
   border-radius: 8px;
 }
 
 .announcement-card {
-  background-color: #f9f9f9;
+  background-color: #fff;
   border-radius: 8px;
 }