JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Rent-O-Roof</title>
    <style type="text/css">
      body{
      width: 100%;
      margin: 0;
      padding: 0;
      height: 100%;
      overflow: hidden;
      }
      .topnav{
      overflow: hidden;
      background-color: #333;
      }
      .topnav a{
      float: left;
      display: block;
      color: #f2f2f2;
      text-align: center;
      padding: 14px 16px;
      text-decoration: none;
      font-size: 17px;
      }
      .topnav a:hover{
      background-color: #ddd;
      color: black;
      }
      .active{
      background-color: #4CAF50;
      color: white;
      }
      .topnav .icon{
      display: none;
      }
      @media screen and (max-width: 600px){
      .topnav a:not(:first-child) {display: none;}
      .topnav a.icon {
      float: right;
      display: block;
      }
      }
      @media screen and (max-width: 600px){
      .topnav.responsive {position: relative;}
      .topnav.responsive .icon {
      position: absolute;
      right: 0;
      top: 0;
      }
      .topnav.responsive a{
      float: none;
      display: block;
      text-align: left;
      }
      }
      /* Style the footer */
      .footer {
      background-color:#777555 ;
      padding: 10px;
      text-align: center;
      }
    </style>
  </head>
  <body>
    <div class="topnav" id="myTopnav">
      <a href="#home" class="active">Home</a>
      <a href="#aboutus">About US</a>
      <a href="#contact">Contact US</a>
      <a href="#about">google form</a>
      <a href="#about">facebook page</a>
      <a href="#about">CUSTOMER REVIEW</a>
      <a href="#about">CAREERS</a>
      <a href="#about">TERM</a>
      <a href="#about">OPTIONS</a>
      <a href="javascript:void(0);" style="font-size:15px;" class="icon" onclick="myFunction()">&#9776;</a>
    </div>
    <script>
      function myFunction() {
          var x =...