The format of the landing page is distorted in comparison to the version displayed in the landing page preview.
SSL Certificates Landing Page Domain Landing Page format is different from preview Landing Page contain unsecure content Landing page template has http instead of https
Ensure all the links used in HTML code used in the landing page template is referencing "HTTPS" and not "HTTP". You can follow the steps outlined in the document below on how to edit landing page template.
**NOTE: If the landing pages is approved, a draft version of the landing page is created for any landing pages which is using the landing page template. You can mass approve those landing pages via following steps outlined in the document below.