chromium/chrome/browser/resources/engagement/app.html

<style>
  :host {
    --color-row-hover: rgb(255, 255, 187);
    --color-engagement-bar: black;
  }

  @media (prefers-color-scheme: dark) {
    :host {
      --color-row-hover: rgb(3, 220, 176);
      --color-engagement-bar: white;
    }
  }

  table {
    border-collapse: collapse;
  }

  table td,
  table th {
    border: 1px solid #777;
    padding-left: 4px;
    padding-right: 4px;
  }

  table th {
    background: rgb(224, 236, 255);
    color: black;
    cursor: pointer;
    padding-bottom: 4px;
    padding-right: 16px;
    padding-top: 4px;
    white-space: nowrap;
  }

  .engagement-bar {
    background-color: var(--color-engagement-bar);
    height: 2px;
  }

  .engagement-bar-cell {
    border: none;
  }

  .origin-cell {
    background-color: rgba(230, 230, 230, 0.5);
    min-width: 500px;
  }

  .base-score-cell,
  .bonus-score-cell,
  .total-score-cell {
    background-color: rgba(230, 230, 230, 0.5);
    text-align: right;
  }

  .base-score-input {
    border: 1px solid #ccc;
    border-radius: 2px;
    text-align: right;
    width: 70px;
  }

  .base-score-input:focus {
    border: 1px solid rgb(143, 185, 252);
    box-shadow: 0 0 2px rgb(113, 158, 206);
    outline: none;
  }

  .add-origin-button {
    width: 10em;
  }

  table tr:hover {
    background: var(--color-row-hover);
  }

  th.sort-column::after {
    content: '▲';
    position: absolute;
  }

  th[sort-reverse].sort-column::after {
    content: '▼';
    position: absolute;
  }
</style>
<h1>Site Engagement</h1>
<label>
  <input type="checkbox" id="show-webui-pages-checkbox">
  Show WebUI (chrome:// and chrome-untrusted://) pages.
</label>
<table>
  <thead>
    <tr id="engagement-table-header">
      <th sort-key="origin">
        Origin
      </th>
      <th sort-key="baseScore" sort-reverse>
        Base
      </th>
      <th sort-key="bonusScore" sort-reverse>
        Bonus
      </th>
      <th sort-key="totalScore" class="sort-column" sort-reverse>
        Total
      </th>
    </tr>
  </thead>
  <tbody id="engagement-table-body">
  </tbody>
</table>