I can see import button works well in your website. I checked it.
And you sent me your website credentials via public message. Please change it.
Yeah I'm using the new version. I have given an temp admin account below
for further investigations.
Username - themehelp
Pass - !NJvqOMnh3wA^i0dyis5vIW^
Link - http://travelgo.tours/wp-login.php
Please confirm you are using the latest version of the theme.
I have been trying to import the demo content through Theme Dashboard --> Demo Content Tab --> Import Now. But the button does not get clicked. I automatically come to the page top. I have attached screen capture for reference.