JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    <div class="child">
    </div>
</div>
<div class="parent2">
    <div class="child2">
    </div>
</div>

CSS

.child {
    position: absolute;
    height: 100px;
    width: 100px;
    border: 1px solid blue;
    left: 200px;
}
.child2 {
    position: absolute;
    height: 100px;
    width: 100px;
    border: 1px solid green;
    left: 100px;
}
.parent {    
    position: relative;
    left: 10px;
    right: 10px;
    border: 1px solid red;
    width: 50px;
    height: 50px;
}
.parent2 {
    border: 1px solid black;
    width: 50px;
    height: 50px;   
}