diff --git a/ui/css/theme.css b/ui/css/theme.css
index e425fe1..4541f2f 100644
--- a/ui/css/theme.css
+++ b/ui/css/theme.css
@@ -8,7 +8,7 @@ body {
 }
 
 div.buttons {
-	display: flex;
+	display: block;
 	justify-content: center;
 }