diff --git a/core/css/guest.css b/core/css/guest.css
index acdc232f52..5f15998c44 100644
--- a/core/css/guest.css
+++ b/core/css/guest.css
@@ -193,7 +193,7 @@ form #datadirField legend {
 		margin-top: 0;
 	}
 	#alternative-logins {
-		margin: 30px 15px 10px;
+		margin: auto;
 	}
 }