forced-colors-mode/forced-colors-mode-01-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Test forced colors mode on table styles reference</title>
<style>
  body {
    forced-color-adjust: none;
  }
  table {
    border-collapse: collapse;
  }
  td, th {
    border: 1px solid;
    border-left-color: CanvasText;
    border-right-color: CanvasText;
    border-top-color: CanvasText;
    forced-color-adjust: none;
    padding: 8px;
    text-align: left;
  }
  tr:nth-child(even) {
    background-color: Canvas;
    color: CanvasText;
    forced-color-adjust: none;
  }
</style>
<body>
  <table>
    <tr>
      <th>Column1</th>
      <th>Column2</th>
      <th>Column3</th>
    </tr>
    <tr>
      <td>Entry1</td>
      <td>Entry1</td>
      <td>Entry1</td>
    </tr>
    <tr>
      <td>Entry2</td>
      <td>Entry2</td>
      <td>Entry2</td>
    </tr>
  </table>
</body>