<div>
  <div class='square'>&lt;div&gt;</div>
  <div class='square'>&lt;div&gt;</div>
  <div class='square'>&lt;div&gt;</div>
</div>
.square {
  display: inline-block;
  text-align: center;
  height: 100px;
  width: 100px;
  border: 1px solid black;
}

External CSS

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External JavaScript

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