how to set up
horizontal on my page? like demo
Sorry, but I am not sure I understand your question correctly. Could you please elaborate what you mean by "horizontal on my page" ?
Or, if you simply want to have all the content like the demo site, you can just import the provided XML file. Please read the details about how to set up the theme and demo content in the theme documentation.
Note that the documentation is included in the purchased package. Just go to the "Documentation" folder and open the "index.html" file with your browser.
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