JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
<div>
  <div class="heading">One</div>
  <div class="content">
    content
  </div>
</div>
<div>
  <div class="heading">two</div>
  <div class="content">
    content
  </div>
</div>
<div>
  <div class="heading">three</div>
  <div class="content">
    content
  </div>
</div>
<div>
  <div class="heading">4</div>
  <div class="content">
    content
  </div>
</div>

</div>

CSS

.heading{
  height: 50px;
  line-height: 50px;
  font-size: 30px;
  padding-left: 10px;
  position: -webkit-sticky;
  position: sticky;
  top: 1px;
}

.content {
  height: 300px;
  background: green;
}