This module is no longer supported and developed on Github. See for the most recent changes https://www.drupal.org/project/form_style instead.

Drupal 8 and 9 core development companion module.

This module gives an overview of all form elements. It is helpful to test the usability and accessibility of forms.

Among other usage this module was, and is, instrumental in the development of Inline Form Errors in Drupal core read more.

Note that anyone with the 'access content' permission can use this module. And it should therefore not be enabled in production sites.

Install and enable this module as any other Drupal module, you can follow the Drupal documentation.

The page with all form elements can be visited at /error-style/form.

Form settings can be found at admin/config/errorstyle.

BrowserStack supports my Open Source contributions to Drupal and the development of this module.