JSFiddle - React, Tailwind, and code Playground

HTML

<div id="some-other-div"></div>

CSS

#some-other-div{
    width:100px;
    height:100px;
    background:yellow;
}
body.ie11 #some-other-div{
    width:200;
    height:200;
    background:red;
    
}

JavaScript

$("#some-other-div").html(navigator.userAgent);
      if(navigator.userAgent.match(/Trident.*rv:11\./)) {
          $('body').addClass('ie11');
     }