<div class="container">
  <div class="grid">
    <div>Grid Item One</div>
    <div>Item Two</div>
    <div>Three</div>
    <div>4</div>
  </div>

</div>
* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 40px;
  font: 1.2em 'Open Sans', sans-serif;
  background-color: #fff;
}

h1, h2, h3 {
  font-family: 'Averia Serif Libre', cursive;
}

.container {
  background-color: #ddddda;
  height: 720px;
  width: 1280px;
  padding: 20px;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr 2fr 2fr;
}

.grid > * {
  background-color: rgb(74, 112, 122);
  color: #fff;
  padding: 1em;
  border: 5px solid #fff;
  font-size: 200%;
  font-family: 'Averia Serif Libre', cursive;
}
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External CSS

  1. https://fonts.googleapis.com/css?family=Averia+Serif+Libre|Open+Sans&amp;display=swap

External JavaScript

This Pen doesn't use any external JavaScript resources.