diff --git a/app/css/userdata.css b/app/css/userdata.css
index 6d5cd2a6..9a064274 100644
--- a/app/css/userdata.css
+++ b/app/css/userdata.css
@@ -128,6 +128,9 @@
 #his-sign-action .btn {
 	flex-basis: calc(50% - 10.6px);
 }
+#his-sign-action .dropdown-trigger {
+	flex-basis: 100%;
+}
 #his-des .mention {
 	color: #039be5;
 	cursor: pointer;