JSFiddle - React, Tailwind, and code Playground

HTML

<table>
  <tbody>
    <tr>
      <td><span></span></td>
      <td></td>
    </tr>
  </tbody>
</table>

CSS

table {
  background-color: gray;
  height: 200px;
  margin-left: 3em;
  padding: 1.5em;
  width: 500px;
  position: relative;
}
tr, td {
  position: relative;
}
td:first-child {
  background-color: red;
}
td:nth-child(2) {
  background-color: yellow;
}
span {
  background-color: blue;
  left: 0;
  padding: 1em;
  position: absolute;
}