JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

</head>
<body>

<!-- <a href="/path/to/file">My link</a> -->

<div class="topnav">
  <a class="active" href="#home">Home</a>
  <a href="#news">News</a>
  <a href="#contact">Contact</a>
  <a href="#about">About</a>
  <div class="search-container">
    <form action="/action_page.php">
      <input type="text" placeholder="Search.." name="search">
      <button type="submit"><i class="fa fa-search"></i></button>
    </form>
  </div>
</div>



<div class="header">
<div id ="header">
<h2 style="text-indent: 1em; font-family: Helvetica; color: blue;">Articles</h2>
</div></div><br>


<div class="row">
  <div class="leftcolumn">
    <div class="card">
    <div id="Title">
      <a href="#"><h2>Article 1</h2></a>
      <h5>Date</h5>
      
      <p>Some text over there.,.. </p>
    </div>
    </div> 
    </div>
    </div>
    
  <div class="row">
  <div class="card">
  <div id="Title2">
    <a href="#"><h2>Article 2</h2></a>
    <h5>Date</h5>
	<p> Some text over here..... </p>

    </div>
    </div> 
    </div>
   
<div class="footer">
<div id="footer">
 
</div>
</div>

</body>
</html>

CSS

/* Add a gray background color with some padding */
body {
  font-family: Arial;
  padding: 20px;
  background: #32cd32;
}

/* Header/Blog Title */
.header {
  padding: 30px;
  font-size: 40px;
  text-align: center;
  background: #7df9ff;
}

/* Create two unequal columns that floats next to each other */
/* Left column */
.leftcolumn {   
  float: left;
  width: 100%;
}

/* Add a card effect for articles */
.card {
   background-color: #87ceeb;
   padding: 20px;
   margin-top: 20px;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Footer */
.footer {
  padding: 20px;
  text-align: center;
  background: #00bfff;
  margin-top: 20px;
}

.topnav {
  overflow: hidden;
  background-color: #333;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #04AA6D;
  color: white;
}


/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 800px) {
  .leftcolumn, .rightcolumn {   
    width: 100%;
    padding: 0;
  }
}

.topnav .search-container {
  float: right;
}

.topnav input[type=text] {
  padding: 6px;
  margin-top: 8px;
  font-size: 17px;
  border: none;
}

.topnav .search-container button {
  float: right;
  padding: 6px 10px;
  margin-top: 8px;
  margin-right: 16px;
  background: #ddd;
  font-size: 17px;
  border: none;
  cursor: pointer;
}

.topnav .search-container button:hover {
  background: #ccc;
}

@media screen and (max-width: 600px) {
  .topnav .search-container {
    float: none;
  }
  .topnav a, .topnav input[type=text], .topnav .search-container button {
    float: none;
    display: block;
    text-align: left;
    width: 100%;
    margin: 0;
    padding: 14px;
  }
  .topnav input[type=text] {
   ...

JavaScript

$(document).ready(function () {
        $("#header").hide().fadeIn(2000);
    });

$(document).ready(function () {
        $("#title").hide().fadeIn(2000);
    });

$(document).ready(function () {
        $("#footer").hide().fadeIn(2000);
    });