diff --git a/css/ranking.css b/css/ranking.css
index e7263d9..bd0b6c7 100644
--- a/css/ranking.css
+++ b/css/ranking.css
@@ -24,8 +24,9 @@
 }
 
 div#outter-container {
+	margin: 13px auto;
+	max-width: 800px;
 	width: Calc(100% - 26px);
-	margin: 13px;
 }
 
 #inner-container {