The issue does not a CSS issue. It’s a core coding issue or it can be a plugin conflict issue. That’s why the price shows twice. You could check out our live demo there has no issue like your one.
So, we are unable to assist you with this issue.
Please learn more about our support policy (item support includes & not includes), here https://www.themelooks.com/support/support-policy/ before post a topic or ask a question.
Best Regards,
ThemeLooks Support Team