Is "Shortcode Box" plugin responsive?

I really love this plugin. It comes with pretty icons. But I’m struggling with the box width on mobile view. I think it’s not responsive on mobile devices. Can you please guide me to make shortcode boxes responsive on mobile views? Thanks!

https://wordpress.org/plugins/shortcode-box/