JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
      <td>Lorem Ipsum</td>
    </tr>
</table>

CSS

table { border-collapse: collapse }
table, td {
  border: 1px solid #ccc;
}
td {
  padding: 20px 30px;
  background: linear-gradient(to bottom right, transparent 50%, #ccc 50%, #ccc 51%, transparent 51%);
}