JSFiddle - React, Tailwind, and code Playground

by Ashish Kasama

HTML

<div class="a">
    <div class="b">
        <div class="c">
        </div>
    </div>
    
</div>

CSS

.a{
    height:50px;
    width:50px;
    background:#f00;
}
.b{
    max-height: 100px;
background: #0F0;
    overflow-y:auto;
}
.c{
    height: 100px;
width: 100px;
z-index: 101;
position: fixed;
left: 100px;
background: #0FF;
top: 100px;
}