Is Live Store On Cs Home Page "responsive"

Can any one tell me if the live store on cs home site. www.shop.rossanoferreti.com. is A responsive design or do they have separate designs for iphones. When I go on iphone It looks like twigmo but I cannot tell.

Thank you

This www.shop.rossanoferretti.com/?sl=en is responsive. Open in desktop then lessen the width of the screen.

Thanks