css/css-tables/border-conflict-resolution-ref.html

<!doctype html>
<title>CSS Test Reference</title>
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<style>
  table {
    font-size: 2em;
    border-collapse: collapse;
    border: 5px solid green;
  }
</style>

<p>You should see no non-solid borders and no red.</p>

<table>
  <tr>
    <td colspan="4" style="border: 5px solid purple;">hello</td>
  </tr>
  <tr>
    <td style="border-right: 5px solid blue; border-bottom: 9px hidden red;">one</td>
    <td style="border-right: 5px solid blue;">two</td>
    <td>three</td>
    <td style="border-left: 5px solid blue">four</td>
  </tr>
</table>