tainer theme-toggle-header">
        <button class="theme-toggle">
          <div class="visually-hidden">Toggle Light / Dark / Auto color theme</div>
          <svg class="theme-icon-when-auto-light"><use href="#svg-sun-with-moon"></use></svg>
          <svg class="theme-icon-when-auto-dark"><use href="#svg-moon-with-sun"></use></svg>
          <svg class="theme-icon-when-dark"><use href="#svg-moon"></use></svg>
          <svg class="theme-icon-when-light"><use href="#svg-sun"></use></svg>
        </button