How can I adjust the height of collection banners on mobile in dawn theme?

[ti7]

 

Hi how do I change the height of the colllection banners on mobile to make them smaller. I’m in dawn theme and this is my store-

https://29ea2f-3.myshopify.com/products/nike-element-2-0-half-zip-red

[DigiDecoded]

Hello There,

Please share your store URL and password.
So that I will check and let you know the exact solution here.

[ti7]

hi i haven't publised my store yet but this is it.

https://9fd20b2dl5udh4mh-79986622787.shopifypreview.com 

i shouldnt have a password 

[DigiDecoded]

Hello,

Please paste this code,

.collection-hero__title {
    margin: 6px 0;
}

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