* {box-sizing: border-box;}

by Artem

HTML

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

<div class="wrapper">
  <div class="item1">Item 1</div>
  <div class="item2">Item 2</div>
  <div class="item3">Item 3</div>
  <div class="item4">Item 4</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(8, 1fr);
  grid-gap: 10px;
  grid-auto-rows: 100px;
  grid-template-areas:
		"a a a a b b b b"
		"a a a a b b b b"
		"c c c c d d d d"
		"c c c c d d d d";
  align-items: start;
}

.item1 {
  grid-area: a;
}

.item2 {
  grid-area: b;
}

.item3 {
  grid-area: c;
}

.item4 {
  grid-area: d;
}