1/ There is a Mixed content error – https://prnt.sc/3MyKJEu8Cfx_ , re-upload the logo image into your media library and then re-select it in Theme Options, or contact your hosting provider about this Mixed content issue.
2/ Try to do changes now and let us know the result. You are using a cache plugin, so do not forget to clear the plugin cache and cache of your browser.
Regards