JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<div class="midSection sections">
  <div class="line"></div>
  <div class="sectionHeader">How to purchase</div>
  <div class="menuLine">
    <div id="subScription" data-content="#firstBlock" class="menu active">Subscription</div>
    <div id="inStore" data-content="#secondBlock" class="menu">current Issues</div>
    <div id="onLine" data-content="#thirdBlock" class="menu">Digital Edition</div>
  </div>
  <div id="firstBlock" class="middleBlock">
    <div class="firstBlockContent leftblock">
      <h3>"subscribe"<br>"to blah" </h3>
    </div>

  </div>
  <div id="secondBlock" class="middleBlock" style="background:blue;">
    <div class="secondBlockContent leftblock">
      <h3>"subscribe"<br>"to blah"</h3>
    </div>

  </div>
  <div id="thirdBlock" class="middleBlock" style="background:lightgreen;">
    <div class="secondBlockContent leftblock">
      <h3>"subscribe"<br>"to blah"</h3>
    </div>

  </div>


</div>

CSS

.line {
  background: none repeat scroll 0 0 #E5E5E5;
  height: 1px;
  position: relative;
  top: 10px;
  z-index: 0;
  margin: 0 80px;
}

.midSection .sectionHeader {
  width: 230px;
  margin-bottom: 18px;
}

.sectionHeader {
  background: none repeat scroll 0 0 #ffffff;
  font-size: 20px;
  line-height: 21px;
  margin: 0 auto;
  position: relative;
  text-align: center;
  text-transform: uppercase;
}

.menuLine {
  position: relative;
  text-align: center;
  margin-bottom: 10px;
}

.menuLine div {
  position: relative;
  margin: 10px 0;
}

.menuLine .menu {
  font-family: GillSans, "Gill Sans MT", Calibri, sans-serif;
  padding-left: 20px;
  padding-right: 20px;
  text-transform: uppercase;
  border-right-style: solid;
  border-width: thin;
  border-color: #E5E5E5;
  margin-right: -3px;
  font-size: 13px;
}

.menu {
  display: inline-block;
  zoom: 1;
  vertical-align: top;
  height: 15px;
  color: black;
}

.menuLine .menu#onLine {
  border: none;
}

.middleBlock {
  height: 100px;
  padding: 30px 100px;
  background: red;
}

.menuLine .active {
  color: grey;
}

JavaScript

$(".menuLine .menu").click(function() {
  $(".middleBlock").css('display', 'none');
  var contentObj = $(this).data('content');
  $(contentObj).css('display', 'block');

  // Add Active class
  $(".menuLine .menu").removeClass('active');
  $(this).addClass('active');
});