_includes/ipv6-header.html

<!-- Header -->
<header class="bg-primary py-5 mb-5" style="background-image: url('/assets/image/background.png');">
    <div class="container h-100">
      <div class="row h-100 align-items-center">
        <div class="col-lg-12">
          <h1 class="display-4 text-white mt-5 mb-2">
            World IPv6 Day
          </h1>
          <p class="lead mb-5 text-white-50">
            Thursday 10:00 AM PST / 1:00 PM EST / 6:00 PM  GMT
          </p>
          <p class="text-white-50"> 
             <a href="https://www.twitch.tv/aws/">Twitch/AWS</a>
          </p>
        </div>
      </div>
    </div>
  </header>