JSFiddle - React, Tailwind, and code Playground

by Milan Karagunović

HTML

<div class="wrapper">

  <nav>
    <ul>
      <li data-rel="1" class="active">Section 1</li>
      <li data-rel="2">Section 2</li>
      <li data-rel="3">Section 3</li>
      <li data-rel="4">Section 4</li>
    </ul>
  </nav>

  <section>
    <article>
       <h4>Section 1</h4>
    </article>
  </section>

  <section>
    <article>
      <h4>Section 2</h4>
    </article>
  </section>

  <section>
    <article>
      <h4>Section 3</h4>
    </article>
  </section>

  <section>
    <article>
      <h4>Section 4</h4>
    </article>
  </section>

</div>

CSS

body {
    font-family: Verdana;
    letter-spacing: 1px;
    font-size: 14px;
}
h4 {
    font-size: 18px;
    text-align: center;
    line-height: 380px;
}
.wrapper {
    position: relative;
    width: 960px;
    padding: 10px;
}
section {
    background: #7f7f7f;
    position: absolute;
    display: none;
    top: 10px;
    right: 0;
    width: 740px;
    min-height: 400px;
    color: #fff;
    border: 4px solid #000;
}
section:first-of-type {
    display: block;
}
nav {
    float: left;
    width: 200px;
}
ul {
    list-style: none;
}
li {
    background: #c3c3c3;
    width: 100%;
    height: 32px;
    line-height: 32px;
    margin-bottom: 10px;
    text-align: center;
    color: #fff;
    cursor: pointer;
    border: 4px solid #000;
}
.active {
    background: #7f7f7f;
}

JavaScript

(function($) {
  $('nav li').click(function() {
    $(this).addClass('active').siblings('li').removeClass('active');
    $('section:nth-of-type('+$(this).data('rel')+')').stop().fadeIn(400, 'linear').siblings('section').stop().fadeOut(400, 'linear'); 
  });
})(jQuery);