mkdocs-material/src/header.html

<!-- Top-level navigation -->
<nav aria-label="top navigation">

  <!-- Default bar -->
  <div class="bar default">

    <!-- Toggle drawer -->
    <div class="button button-menu" role="button" aria-label="Menu">
      <label class="toggle-button icon icon-menu" for="toggle-drawer">
        <span></span>
      </label>
    </div>

    <!-- Page title -->
    <div class="stretch">
      <div class="title">
        {% if current_page %}
          <span class="path">
            {% for doc in current_page.ancestors %}
              {% if doc.link %}
                <a href="{{ doc.link | e }}">{{ doc.title }}</a>
                <i class="icon icon-link"></i>
              {% else %}
                {{ doc.title }} <i class="icon icon-link"></i>
              {% endif %}
            {% endfor %}
          </span>
        {% endif %}
        {% if page_title %}
          {{ page_title }}
        {% else %}
          {{ site_name }}
        {% endif %}
      </div>
    </div>

    <!-- Twitter -->
    {% if config.extra.author and config.extra.author.twitter %}
      <div class="button button-twitter" role="button" aria-label="Twitter">
        <a href="https://twitter.com/{{ config.extra.author.twitter }}"
          title="@{{ config.extra.author.twitter }} on Twitter" target="_blank"
          class="toggle-button icon icon-twitter"></a>
      </div>
    {% endif %}

    <!-- GitHub -->
    {% if config.extra.author and config.extra.author.github %}
      <div class="button button-github" role="button" aria-label="GitHub">
        <a href="https://github.com/{{ config.extra.author.github }}"
          title="@{{ config.extra.author.github }} on GitHub" target="_blank"
          class="toggle-button icon icon-github"></a>
      </div>
    {% endif %}

    <!-- Open search -->
    <div class="button button-search" role="button" aria-label="Search">
      <label class="toggle-button icon icon-search" title="Search"
        for="toggle-search"></label>
    </div>
  </div>

  <!-- Search bar -->
  <div class="bar search">

    <!-- Close search -->
    <div class="button button-close" role="button" aria-label="Close">
      <label class="toggle-button icon icon-back"
        for="toggle-search"></label>
    </div>

    <!-- Search form -->
    <div class="stretch">
      <div class="field">
        <input class="query" type="text" placeholder="Search"
          autocapitalize="off" autocorrect="off" autocomplete="off"
          spellcheck="false" />
      </div>
    </div>

    <!-- Empty search -->
    <div class="button button-reset" role="button" aria-label="Search">
      <button class="toggle-button icon icon-close"
        id="reset-search"></button>
    </div>
  </div>
</nav>