CSS Grid

https://css-tricks.com/snippets/css/complete-guide-grid/

by Pete Fecteau

HTML

<div id="wrap">
  <div class="contain">
    <div class="row">
      <div class="column">

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

CSS

html, body { margin: 0; padding: 0 }
.contain { display: grid }