JSFiddle - React, Tailwind, and code Playground

HTML

<div id="parent">
    <div id="one"></div>
    <div id="two"></div>        
</div>

CSS

#parent {
    position:relative;
    margin-top:100px;
    width:500px;
    height:300px;
}

#one {
    background-color:rgba(23, 170, 180, 1);
    width:60px;
    height:145px;
    position:absolute;
}

#two {
    background-color:rgba(249, 177, 67, 0.5);
    width:110px;
    height:70px;
    position:absolute;
}