<a href="#">SAMPLE</a>
a {
  text-decoration:none;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  background: #191970;
  padding: 18px 30px;
  border-radius: 6px;
  transition: .3s;
}

a:hover {
  background: #87cefa;
}

External CSS

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External JavaScript

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