<div class="wrapper">
  <div class="box a">A</div>
  <div class="box b">B</div>
  <div class="box c">C</div>
  <div class="box d">D</div>
  <div class="box e">E</div>
  <div class="box f">F</div>
</div>
body {
  margin: 40px;
}

.wrapper {
  display: grid;
  grid-template-columns: 100px 100px 100px;
  grid-gap: 10px;
  background-color: #fff;
  color: #444;
}

.box {
  background-color: #444;
  color: #fff;
  border-radius: 5px;
  padding: 20px;
  font-size: 150%;
}

.a {
		grid-column-start: 2;
		grid-column-end: 3;
		grid-row-start: 1;
		grid-row-end: 2;
	}
	.b {
		grid-column-start: 2;
		grid-column-end: 3;
		grid-row-start: 2;
		grid-row-end: 3;
	}
	.c {
		grid-column-start: 3;
		grid-column-end: 4;
		grid-row-start: 2;
		grid-row-end: 3;
	}
	.d {
		grid-column-start: 1;
		grid-column-end: 2;
		grid-row-start: 1;
		grid-row-end: 2;
	}
	.e {
		grid-column-start: 1;
		grid-column-end: 2;
		grid-row-start: 2;
		grid-row-end: 3;
	}
	.f {
		grid-column-start: 3;
		grid-column-end: 4;
		grid-row-start: 1;
		grid-row-end: 2;
	}

External CSS

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External JavaScript

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