Great news 
Now the Slider looks great both on desktop and mobile. We’ve introduced 3 new slide types and the Slide Builder option allows you to adjust the appearance of its elements on mobile and desktop independently:
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In the Slide settings section, you can set spacing and padding for mobile and desktop:
Slide elements have their own mobile/desktop settings. In the screenshot below, you’ll see the size settings for the Button element:
This change is just a part of our major update. Check this post and find more details 