Mobile site, how to move widget to top?

Heya.

The PC website looks fine and everything is great there, however when you check out the mobile site then the filters(widgets) are in the buttom, witch i would like to be moved to the top, however i have no clue and been trying for hours. Any help? ??

The site i am talking about is this: https://simplystylish.dk/shop/

Thanks in advance!
Have a great day!