JSFiddle - React, Tailwind, and code Playground

HTML

<main>
    <div>
         <input name="Text1" type="text" autofocus="autofocus" />
    </div>
    <div></div>
    <div></div>
<main>

CSS

div {
    display:inline-block;
    width:30%;
    height:100vh;
    overflow-y:scroll;
}
div:after {
    content:'1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U W V X Y Z';
    display:block;
    position:relative;
    width: 1ex;
}
body {
    overflow: hidden;
}