JSFiddle - React, Tailwind, and code Playground

by TheoI

HTML

<div class='container'>
    <div class='top base'>
    </div>
    <div class='controls base'>
    </div>
    <div class='bottom base'>
    </div>
</div>

CSS

.container {
    background-color: black;
    top: 0px;
    bottom: 20px;
    width: 150px;
    position: absolute;
}

.base {
    position: absolute;
    width: 100%;
}

.top {
    background-color: blue;
    top: 0;
    bottom: 50%;
    margin-bottom: 10px;
}

.controls {
    margin-top: -9px;
    top: 50%;
    background-color: green;
    height: 18px;
}

.bottom {
    top: 50%;
    margin-top: 10px;
    bottom: 0;
    background-color: red;
}