diff --git a/view/style.css b/view/style.css
index 59069c4..c0119dc 100644
--- a/view/style.css
+++ b/view/style.css
@@ -219,7 +219,7 @@ html {
     font-size: 1.4rem;
     background-color: white;
     box-shadow: lightblue 0 0 0.4rem;
-	user-select: none;
+    user-select: none;
 }
 
 .judge > li > span,