JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">test</div>
<div class="test2"></div>

CSS

.test2{
    position:fixed;
    background-color:#000000;
    filter:alpha(opacity=60);
    opacity:0.6;
    -moz-opacity:0.6;
    z-index:100;
    top: 0;
    left:0;
right:0;
bottom:0;
}

JavaScript

$('.test2').click(function(){
$('.test2').remove();
});