<!DOCTYPE html>
<title>Collapsed table row background image geometry</title>
<link rel="author" title="Aleks Totic" href="atotic@chromium.org" />
<link rel="help" href="https://www.w3.org/TR/css-tables-3/#drawing-backgrounds-and-borders" />
<link rel="match" href="background-image-row-collapsed-ref.html" />
<style>
  body {
    --peek: LightGreen;
    --border: transparent;
    margin:0;
  }
  .bg {
    background-color: var(--peek);
    background-image: linear-gradient(45deg, orange 0px, orange 5px, gainsboro 3px, gainsboro 25%, rgba(160,160,160,0.5) 25%, rgba(160,160,160,0.5) 50%, silver 50%, silver 75%, darkgray 75%, darkgray 99%, blue 99%);
    background-repeat: no-repeat;
  }
  main  * {
    box-sizing: border-box;
  }
  main table {
    border: 10px solid var(--border);
    border-collapse: collapse;
  }
  main td {
    width: 50px;
    height: 50px;
    padding: 0px;
  }
</style>
<body>
<main>
  <table>
    <tr class="bg">
      <td colspan=4></td>
    </tr>
    <tr class="bg">
      <td></td>
      <td rowspan=2 colspan=2></td>
      <td></td>
    </tr>
    <tr>
      <td></td>
      <td></td>
    </tr>
    <tr class="bg">
      <td></td>
      <td></td>
      <td></td>
      <td></td>
    </tr>
  </table>
</main>
</body>
