@skolekirkeodense: Can be simply hidden with Custom CSS where not necessary. If you want, I can help you further. Please post in your site url and the pages where you want to display it.
But if you want to completely remove it from other pages, you’ll need to do create child theme and customize further. I recommend you to hire a customizer for this.
To modify content and images, go to Dashboard=> Appearance=> Customize=> Theme Options=> Courses then select any of the option from Select Courses Type. Page, Post and Category uses Page’s, Post’s content and featured image. While Image lets you put the custom content, images and links directly.
Hope you understand.
Regards,
Mahesh
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