JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div id="wrapper">
      <button></button>
    </div>
  </body>

CSS

body {
      background:grey;
    }
    #wrapper {       
      
      height:100%;
      width:100%;
      position:absolute;
      top:0px;
      left:0px;
      -webkit-transition : all 200ms ease-out;

    }
    button{
      height:50px;
      width:200px;
      pointer:cursor; 
      background-color:red;
        -webkit-transition : all 200ms ease-out;
    }
    button.active {
      background-color:blue;
    }
    
    #wrapper.active {
      /* IE9 SVG, needs conditional override of 'filter' to 'none' */
      background: url(data:image/svg+xml;base64,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);
      background: -moz-radial-gradient(center, ellipse cover,  rgba(0,0,0,0) 0%, rgba(0,0,0,1) 100%); /* FF3.6+ */
      background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,rgba(0,0,0,0)), color-stop(100%,rgba(0,0,0,1))); /* Chrome,Safari4+ */
      background: -webkit-radial-gradient(center, ellipse cover,  rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* Chrome10+,Safari5.1+ */
      background: -o-radial-gradient(center, ellipse cover,  rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* Opera 12+ */
      background: -ms-radial-gradient(center, ellipse cover,  rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* IE10+ */
      background: radial-gradient(ellipse at center,  rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* W3C */
      filter:...

JavaScript

$(document).ready(function () {
      $("button").click(function(){
        $(this).toggleClass('active');
        $("#wrapper").toggleClass('active');
      });
    });