/div>
</div>
<script>
let elts = document.querySelectorAll(".columns");
let heights = [ 78, 68, 58, 48, 38, 28, 18, 12, 11, 8 ];
for (let i = 0; i < heights.length; ++i) {
  elts[i].style.height = heights[i] + "px";
}
</script>
</wrapper>
</body>
</html>
