JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://www.stg2.modahealth.com/shop/_resources/css/sass/style.css">
<script src="https://www.stg2.modahealth.com/shop/_resources/js/header/010%20jquery-1.9.1.js"></script>
<header class="row">
  <div class="columns">
  header
  </div>
</header>

<section class="content" style="overflow:none; height:auto;">
  <div class="row" style="overflow:none; height:auto;">
    <div class="four columns" style="overflow:none; height:auto;">
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolor</p>
      <div style="height:1000px; background:yellow; padding:1em;">
          <div class="sticky">sticky in float-based layout, not sticky</div>
      </div>
    </div>
    
    <div class="eight columns">
      <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum</p>
      <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum</p>
    </div>
  </div>
</section>

<footer class="row">
  <div class="columns">
  footer
  </div>
</footer>
<br><br>



<div class="main-content">
  <div class="sticky">sticky</div>
  <div class="content-holder">
    <p>Nunc eu sapien turpis. Proin non arcu orci, eget volutpat tellus. Maecenas
   ...

CSS

.sticky {
  min-width: 200px;
  height: 300px;
  background-color: red;
  color: #fff;
  position: sticky;
  top: 1em;
  z-index: 10000;
}

.header {
  background: #ccc;
  height: 75px;
}

.content-holder {
  margin-top: -1em;
  padding-left: 1em;
}
.main-content {
  display: flex;
  padding-bottom: 6px;
}
#footer {
  width: 100%;
  height: 600px;
  background: #ccc;
}

JavaScript

$('.sticky').parents().css({
	border: '1px solid green',
	overflow: 'none',
  //height: 'auto'
});