responsive banner slider height not responsive

hello
I have a problem with responsive banner slider : when changing the scren size only the width size is changing. The height size remains fix.

I have check the banner manager component. I don't give any width nor height to my banners.

i have attached 2 images :

the problem appears at the bottom right size of the image (mangerbouger.fr)
the images are in mangerbouger.zip atached file
thanks for help
best regards

Michel

Hello

Yes that's how it works....up until some breakpoint the banner height will still remain then decreased accordingly

you will see that behaviour in our demo page too