reen mix
      <div class="screen-mix">

      </div>
      <div>
      </div>
    </article>

    <article>
      Overlay mix
      <div class="overlay-mix">

      </div>
      <div>
      </div>
    </article>

    <article>
      Color-dodge mix
      <div class="color-dodge-mix">

      </div>
      <div>
      </div>
    </article>

    <article>
      Color-burn mix
      <div class="color-burn-mix">

      </div>
      <div>
      </div>
    </article>

    <article>
      Hard-light mix
      <div 