
           /><div class="a" style="margin-top: 70px"/>
    </div>
    <div class="flexbox">
      <div class="c" style="margin-top: calc(40px / 6)"
           /><div class="b" style="margin-top: calc(40px / 3)"
           /><div class="a" style="margin-top: calc(40px / 3)"/>
    </div>

    <!-- space-evenly -->
    <div class="flexbox">
      <div class="a" style="margin-top: 95px"/>
    </div>
    <div class="flexbox">
      <div class="b" style="margin-top: calc(140px / 3)"
           /><div class="a" s