<!DOCTYPE html>
<style>
  table {
    table-layout: fixed;
    border: 1px solid black;
    width: 300px;
  }
  td {
    background: yellow;
    border: 1px solid purple;
  }
</style>
<table>
  <td>One</td>
  <td>Two</td>
  <td>Three</td>
</table>