Download and install a Bootstrap theme. Modify the following at bootstrap/templates/menu/system/form-element.func.php: /** * Overrides theme_form_element(). */ function bootstrap_form_element(&$variables) { $element = &$variables['element']; $name = !empty($element['#name']) ? $element['#name'] : FALSE; $type = !empty($element['#type']) ? $element['#type'] : FALSE; $checkbox = $type && $type === '
