Regarding Header design

Hi,

After importing the theme from TemplateKit, why is it not look like demo site?
Here is the demo site
https://demothemesflat.co/chefmasterkit/home-01/?storefront=envato-elements
And this is my site
http://fnb-demo5.techeaseglobal.com/

Please help me

Thanks

I already purchased…
How can i contact to author?

Check the link I shared earlier