JSFiddle - React, Tailwind, and code Playground

HTML

<div class="app">
  <div class="header">
  </div>
  <div class="container">
    <div class="scroll">
      <div class="content">
      </div>
    </div>
  </div>
</div>

CSS

.app {
  height: 400px;
}

.header {
  width: 100%;
  height: 44px;
  background-color: grey;
  border: 2px solid;
}

.container {
  border: 1px solid red;
  height: 100%;
}

.scroll {
  overflow: scroll;
  height: 100%;

  display: flex;
  justify-content: center;
  align-items: center;
}

.content {
  height: 600px;
  width: 300px;
  margin: 12px;
  border: 2px solid blue;
}