<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>
body {
  margin: 40px;
}
.wrapper {
		display: grid;
    grid-gap: 10px;
		grid-template-columns: 100px 100px 100px;
    grid-auto-columns: 100px;
		background-color: #fff;
		color: #444;
	}

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

	}

  .a {
		grid-column: 1 / 3;
		grid-row: 1;
	}
	.b {
		grid-column: 3 ;
		grid-row: 1 / 3;
	}
	.c {
		grid-column: 1 ;
		grid-row: 2 ;
	}
	.d {
		grid-column: 2;
		grid-row: 2;
	}

	.e {
		grid-column: 4 / 5;
		grid-row: 1 / 6;
	}

External CSS

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External JavaScript

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