JSFiddle - React, Tailwind, and code Playground

by jyoze

HTML

<div id="black">ABCDEF</div>
<div id="white">ABCDEF</div>

CSS

div{
    font-size:50px;
}
#black{
    width:100%;
    position:absolute;
    background-color:black;
    color:white;
}
#white{
    width:calc(100% - 400px);
    overflow:hidden;
    position:absolute;
    background-color:white;
    color:black
}