JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
    <div id="hello">
        Hello
        <div>nested inside hello</div>
    </div>
    <div id="world">World</div>
</div>

CSS

#wrapper {
    position: relative;
}

#hello {
    background-color: red;
}

#hello div {
    background-color: blue;
}

#world {
    background-color: green;
    position: absolute;
    left: 40px;
    top: 0px;
}

JavaScript

$("#hello").bind("click", function() { alert("hello"); });