diff --git a/core/css/guest.css b/core/css/guest.css
index 79c98d37f5f94..40940a0feb9ff 100644
--- a/core/css/guest.css
+++ b/core/css/guest.css
@@ -161,6 +161,7 @@ input {
 	padding: 11px 10px 9px;
 	outline: none;
 	border-radius: 3px;
+	-webkit-appearance: none;
 }
 input[type='submit'],
 input[type='button'],