Make error message match other styles

services/web/public/stylesheets/app/homepage.less

@@ -98,9 +98,9 @@
 		margin-bottom: 9px;
 	}
 	.register-banner__password-error {
-		padding: 3px;
-		border: none;
-		position: relative;
+    padding: 5px 9px;
+    border: none;
+    border-radius: @btn-border-radius-base;
 	}
 	.screenshot {
 		height: 600px;