JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Static Template</title>
  </head>
  <body>
    <style>
      body {
        overflow-x: hidden;
        margin: 0;
        padding: 0
      }
      #main-content {
        position: absolute;
        margin: 0;
        padding: 0
      }
      ul {
        margin: 0;
        padding: 0;
        list-style: none;
        white-space: nowrap;
        position: relative;
        transition: all 0.4s ease;
        left: -50vw;
      }
      ul li {
        width: 25vw;
        height: 100vh;
        margin: 0;
        padding: 0;
        cursor: pointer;
        display: inline-block;
      }
      .red {
        background-color: red;
      }
      .blue {
        background-color: blue;
      }
      .yellow {
        background-color: yellow;
      }
      .green {
        background-color: green;
      }
      .purple {
        background-color: purple;
      }
      .gray {
        background-color: gray;
      }
    </style>
    <nav id="main-content">
      <ul id="nav" style="left: 0">
        <li class="red"></li>
        <li class="blue"></li>
        <li class="yellow"></li>
        <li class="green"></li>
        <li class="purple"></li>
        <li class="gray"></li>
      </ul>
    </nav>

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>
    <script>
      $(document).ready(function() {
        console.log("OK");
      });
    </script>
  </body>
</html>

JavaScript

const numberOfChild = $('ul').children().length;
const childWidth = $(this).width() / numberOfChild;
$('ul').on('mousemove', function(e) {
  	$(this).css('left', -1 * e.pageX + 'px')
});