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                <div class="wrapper">
  <div>Hi, I'm 30% of the viewport. 
    <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Exercitationem, minus?</div>
  <div>You know what? Ima take 50% of the viewport.</div>
  <div>Ima div inside a <code>.wrapper</code>. The <code>.wrapper</code> is a CSS grid layout. How? We did <code>display: grid</code> on it. 
    <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolorem quo tempore quia autem. Eaque, ullam?</div>
  <div>Lorem ipsum dolor sit amet consectetur adipisicing elit. Vel dolore commodi eius unde cupiditate sint mollitia adipisci fugiat incidunt dolorem officiis cumque repellat ducimus doloribus ex laborum veritatis, temporibus, vitae alias? Sint excepturi laboriosam, quo ipsa ratione laudantium consequuntur saepe consequatur placeat voluptatibus maxime hic necessitatibus accusamus enim. Explicabo, molestias!</div>
  <div>Just fancy layout with <strong>2 lines of CSS</strong>: <br/> 
  display: gird;
  grid-template-columns: 30% 50% 20%;
  <div>Hello! No clearfixes, no floats. </div>


                .wrapper {
  display: grid; // Hey, this is a grid
  grid-template-columns: 30% 50% 20%; // Gimme 3 columns with these sizes pronto!
  div {
    background: gainsboro;
    padding: 1em;
  div:nth-child(odd) {
    background: silver;