When i click on import demo content its not working at all

I have setup the theme successfully but when i click on import demo content its not working at all.
Can you help please?
It gives me Styling tags and does not show page properly.
please give me solution as soon as possible.

Hello,

Could you please disable all plugins that are not related to our theme and provide us your admin access so we can check it?

Thank you in advance

[Author]

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