*Application for Elementor Media Carousel widget.
Demonstation
Ratio 2x1
Ratio 1x1
Tutorials
Step 1: Create your Media Carousel.

Step 2: Edit Style Tab > PAFE Media Carousel Aspect Ratio.

Step 3: Adjust your desired ratio.
Aspect Ratio = Height / Width * 100.
E.g Width = 100, Height = 100 => Ratio = 1; Width = 100, Height = 50 => Ratio = 50
For more information on Aspect Ratio, please refer to here