why main menu items are not being shown on mobile but in desktop in shopify Mobile View 

https://amraha.com/

What to do in theme liquid file kindly briefly explain

 At the end of the website this is shown, what to do to solve this issue?

the description after the price is now irritating me because i have tried 100 times to remove it or to edit it and change language into english and it shown on every product page. Please guide me i am working on kalles Theme.