Hi,
Thanks for the feedback. We will create documentation for the theme, to explain aspects like logo dimensions. We do not currently offer a full width banner option.
I am not sure where the search box is coming from, have you tried deactivating all plugins not created by our development team?
I would not use the terminology of “offending file”. Except for the search box, it sounds like the product is working as advertised. If you would like to customize the header to remove features, then I would suggest editing the header.php file.
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BePro Software Team