.op { background-image: url("%dts% today '%s' as today_str %dte%https://app.zaymo.com/api/1072/emails/tracking/4838/69292880/open?preview=false&branch=zaymo&recipient_email=%kts% person.email|base64_encode %kte%&klaviyo_message_id=%kts% email_message.id %kte%&klaviyo_person_id=%kts% person.KlaviyoID %kte%&sent_timestamp=%kts% today_str %kte%&client=spark&interactive=false&device=unknown") !important; }