diff --git a/content/categories/Coding Test/_index.md b/content/categories/Coding Test/_index.md
index 546ec0f..d67b09a 100644
--- a/content/categories/Coding Test/_index.md	
+++ b/content/categories/Coding Test/_index.md	
@@ -3,6 +3,6 @@ title: "Coding Test"
 description: "코딩 테스트 문제풀이"
 slug: "coding_test"
 style:
-    background: "6DB9EF"
+    background: "#6DB9EF"
     color: "#fff"
 ---