>
        <div class="image-holder">
          <div class="image-block" data-aos="reveal-bottom"></div>
          <img class="main-img" src="https://source.unsplash.com/w_FKInL9SHM">
        </div>
      </div>
    </section>
  </div>
</header>
<main>
  <div class="container">
    <section id="about" class="grid">
      <div class="column-xs-12 column-md-6">
        <div class="image-holder">
          <div class="image-block" data-aos="reveal-bottom"></div>
          <img src="https://source.unsplash.com/D