The `main` element must not appear as a descendant of the `main` element.

[pdehaan]

• Source: https://monitor.firefox.com/breaches
• Linter: https://html5.validator.nu/?doc=https%3A%2F%2Fmonitor.firefox.com%2Fbreaches&showimagereport=yes

The main element must not appear as a descendant of the main element.

From line 58, column 1; to line 58, column 6

r"></div>↩<main>↩  <di

Ye olde DOM:

  <header>
    <a href="/">...</a>
    <menu>
      <li><a
          href="/user/breaches"
          data-cta-id="sign-in-1"
          class="button secondary">Sign In</a></li>
    </menu>
  </header>
- <main data-partial="allBreaches">
    <div id="breaches-loader" class="ab-bg breaches-loader"></div>
-   <main>
      <div class="all-breaches-front-matter">
        <header class="all-breaches-header">
          <div>...</div>
        </header>
        <form class="all-breaches-filter" autocomplete="off">

Plus:

A document must not include more than one visible main element.

From line 58, column 1; to line 58, column 6

r"></div>↩<main>↩  <di