{% if page.title -%}
  <header>
    <h1 class="title">{{ page.title }}</h1>
    <blockquote class="metadata">
    {% if page.subtitle -%}
      <p class="subtitle">{{ page.subtitle }}</p>
    {% endif -%}
    {% if page.author -%}
      <p class="author">
        {% if page.author_url -%}
          <a href="{{ page.author_url }}">{{ page.author }}</a>
        {% else -%}
          {{ page.author }}
        {% endif -%}
      </p>
    {% endif -%}
    {% if page.date -%}
      <p class="date before-toc"><time datetime="{{ page.date }}">{{ page.date | date: "%B %-d, %Y" }}</time></p>
    {% endif -%}
    </blockquote>
  </header>
{% endif -%}