JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
  <head>
    <title>Date class view</title>
    <script src="main/jquery.min.js" type="text/javascript"></script>
    <body>
    <div class="fixed_div">
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple string.</div>
      <div>The simple...

CSS

html,body {
        width: 100%;
        height: 100%;
        padding: 0;
        margin: 0;
      }
      .fixed_div {
        position: fixed;
        width: 100%;
        height: 100%;
        overflow: auto;
        z-index: 5;
        text-align: center;
        border: 1px solid #ffffff;
      }