In Dawn, I want to change the image ratio between the desktop slideshow and the mobile slideshow.

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In Dawn, I want to change the image ratio between the desktop slideshow and the mobile slideshow.

Hi all.
I have a problem that I would like to solve.

In Dawn, when I set up a slideshow, the landscape view is fine on desktop, but when it is displayed on mobile, the desktop settings take over and it is just scaled down, which is very hard to see.

I will attach a photo of the ideal situation.
On desktop, it is landscape.
In the mobile view, it is vertical, and neither the image nor the text is fully visible. This is the ideal situation.

Theme used: Dawn 8.0.0

page: https://xn-68jvcr6b.myshopify.com/? _ab=0&_fd=0&_sc=1
Password: rotsed

No images have been added yet, only sections.

Is there any specialist who can help me with my ideal?