JSFiddle - React, Tailwind, and code Playground

HTML

<div id="A"></div>
<div id="B"></div>
<div id="C"></div>
<div id="D"></div>

CSS

#A, #B, #C, #D {
    position: absolute;   
    width: 50px;
    height: 50px;
}

#A {
    top: 20px;
    left: 45px;
    background-color: aqua;
}

#B {
    top: 50px;
    left: 100px;
    background-color: blue;
}

#C {
    top: 50px;
    left: 200px;
    background-color: red;
}

#D {
    top: 200px;
    left: 100px;
    background-color: green;
}