JSFiddle - React, Tailwind, and code Playground

HTML

<div>

<table>
  <thead>
    <tr><td>x</td><td>x</td><td>x</td></tr>
  </thead>
  <tbody>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
    <tr><td>a</td><td>a</td><td>a</td></tr>
  </tbody>
</table>

</div>

CSS

* { line-height: 1; }

tbody {
  display: block;
}