* {box-sizing: border-box;}

by Roland Doda

HTML

<!-- Learn about this code on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Auto-placement_in_CSS_Grid_Layout -->

<div class="wrapper">
    <div>One</div>
    <div>Two</div>
    <div>ThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThreeThree</div>
    <div>Four</div>
    <div>Five</div>
</div>

CSS

* {box-sizing: border-box;}

.wrapper {
    border: 2px solid #f76707;
    border-radius: 5px;
    background-color: #fff4e6;
}

.wrapper > div {
    border: 2px solid #ffa94d;
    border-radius: 5px;
    background-color: #ffd8a8;
    padding: 1em;
    color: #d9480f;
}
.wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 10px;
  grid-auto-rows: minmax(20px, 10px);
  grid-auto-columns: minmax(20px, 20px);
  overflow: hidden;
}