diff --git a/css/base.css b/css/base.css
index 8852878..add29bc 100644
--- a/css/base.css
+++ b/css/base.css
@@ -230,7 +230,7 @@ div#maj-guide {
 .center {
     display: flex;
     justify-content: center;
-    align-items
+    align-items: center;
 }