JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<div class="col-md-12">
  <div class="row">
    <div class="col-md-12 company">
      <h2>this is my title</h2>
      <div class="companyDescription">
        <div class="outer">
          <div class="inner1" id="inner1">
            <h5>"The quick brown fox jumps over the lazy dog" is an English-language pangram—a phrase that contains all of the letters of the alphabet. It is commonly used for touch-typing practice. It is also used to test typewriters and computer keyboards, show fonts, and other applications involving all of the letters in the English alphabet
                                        </h5>
            <h5>Some kind of subtitle</h5>
            <h5><a id="readMore" style="cursor: pointer; cursor: hand;">read more...</a></h5>
          </div>
          <div class="inner2">
            <h5 style="display:none;"><a id="readLess" style="cursor: pointer; cursor: hand;">...read less</a></h5>
            <h5 style="display:none;">As the use of typewriters grew in the late 19th century, the phrase began appearing in typing and stenography lesson books as a practice sentence. Early examples of publications which used the phrase include Illustrative Shorthand by Linda Bronson (1888), How to Become Expert in Typewriting: A Complete Instructor Designed Especially for the Remington Typewriter (1890)
                                        </h5>
            <h5 style="display:none;">the last subtitle.</h5>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>

JavaScript

$('#readMore').click(function() {
	$('#readMore').css('display','none');
  $('.inner2').find('h5').css('display','block');
})
$('#readLess').click(function() {
$('#readMore').css('display','block');
  $('.inner2').find('h5').css('display','none');
})