How to disable this plugin on mobiles

I would like to diaable this plugin on mobiles.

But am unable to do so.

Can someone help in this ?

Sample post of my site can be seen here – https://smstoneta.com/prajaadhinbharat/chapter-2

For example i am using this css code –

@media screen and (max-width: 320px) {
div.mr_social_sharing_wrapper {
display:none !important;
        }
}

https://www.ads-software.com/plugins/social-sharing-toolkit/