<section class="icon">
  <i class="fab fa-html5"></i>
  <i class="fab fa-css3-alt"></i>
  <i class="fab fa-js-square"></i>
</section>
.fab {
  font-size: 80px;
  margin: 0.5rem 1rem;
}

.fa-html5 {
  color: #EF6534;
}

.fa-css3-alt {
  color: #1172B8;
}

.fa-js-square {
  color: #F6DD3B;
}
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External CSS

  1. https://use.fontawesome.com/releases/v5.3.1/css/all.css

External JavaScript

This Pen doesn't use any external JavaScript resources.