<https://support.advancedcustomfields.com/#/schema/logo/image/>
<http://schema.org/contentUrl>
<https://support.advancedcustomfields.com/content/uploads/2019/10/acf-logo-flat-green-500x500-circle.png>
<https://support.advancedcustomfields.com/forums/topic/change-wysiwyg-background-color/>