JSFiddle - React, Tailwind, and code Playground

HTML

<div id="first">
    <div id="second">
        <div id="third">
            Nested Div's
        </div>
    </div>
</div>

CSS

#first {
    width: 200px;
    height: 100px;
    background-color: blue;  
}
#second {
    width: 100px;
    height: 50px;
    background-color: red;   
}