JSFiddle - React, Tailwind, and code Playground

HTML

<div class="table">
  <div class="header">
    <div class="row">
      <div class="cell">
        cell 1
      </div>
      <div class="cell">
        cell 2
      </div>
      <div class="cell">
        cell 3
      </div>
    </div>
  </div>
  <div class="body">
    <div class="row">
      <div class="cell">
        cell 1
      </div>
      <div class="cell">
        cell 2
      </div>
      <div class="cell">
        cell 3
      </div>
    </div>
    <div class="row">
      <div class="cell">
        cell 1
      </div>
      <div class="cell">
        cell 2
      </div>
      <div class="cell">
        cell 3
      </div>
    </div>
    <div class="row">
      <div class="cell">
        cell 1
      </div>
      <div class="cell">
        cell 2
      </div>
      <div class="cell">
        cell 3
      </div>
    </div>
  </div>
</div>

SCSS

html, body {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

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

.table {
  border: solid black;
  width: 60vw;
  height: 80vh;
  overflow-x: auto;
}

.header {
  border: solid cyan;
  flex: 0;
  display: inline-block;
  height: 50px;
}

.body {
  overflow-y: auto;
  border: solid yellow;
  display: inline-block;
  height: calc(100% - 50px - 16px);
}

.row {
  border: solid red;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
}

.cell {
  border: solid green;
  width: 400px;
  height: 50px;
}