Alter classes of Mailchimp signup to avoid content blocking
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3571109. -->
Reported by: [drumm](https://www.drupal.org/user/3064)
Related to !199
>>>
<p>Class <code>block-mailchimp-signup</code> on <a href="https://new.drupal.org/drupal-cms/trial">https://new.drupal.org/drupal-cms/trial</a> is blocked by uBlock origin</p>
issue