How do I change the height of my front banner on mobile view?

Ashden
Excursionist
18 0 10

Hey, I am using the dawn theme, and wondering how i can change and adapt the size (particularly height) of the front banner for my phone view. As you can see down below, on desktop its all normal, but mobile theres too much dead space. Does anyone know how to do this, all help much appreciated 🙂

Phone:

phonneeee.JPG

 Desktop:

desktopp.JPG

Reply 1 (1)

Zworthkey
Shopify Partner
5581 642 1565

Hii, @Ashden 
Kindly share your store URL so,
I can solve it perfectly.
Thank You.