WP Supersized and Bootstrap

There seems to be an issue where img {max-width:100%} makes the Supersized image scale disproportionately. I removed the max-width and it corrects the issue, but my images won’t scale responsively.

https://www.nettvisual.com/web-and-print-design-portfolio/

Suggestions?

https://www.ads-software.com/extend/plugins/wp-supersized/