Image size: OK for laptop, NOK for mobile

[JPML]

Hi,

I need a little bit of help 😊

I have an issue regarding the home page of my e-commerce site, the images of the carousel located at the top of the main page appear at the right size on a PC, on a mobile however they appear tiny, we can not even distinguish the text that appears. For the record, the site is responsive. If anyone has a suggestion, here's the url for the site in question: https://www.closertotheworld.com/

Prestashop version is 1.6.1.6

 

Thanks in advance