Hello,

I have visited your website. The image displayed broken because of mixed content Error.

Please make sure that you have set both the URLs the same from Settings >> General.

Screenshot for Clarification: https://ibb.co/SPCBDdt

Then Regenerate CSS from WoolMart >> CSS Generator.

You can also read the following article for further help:
https://www.wpbeginner.com/plugins/how-to-fix-the-mixed-content-error-in-wordpress-step-by-step/

Best Regards.