<span class="button">Click Here</span>
body {
  margin: 2em;
  background-color: #161819;
  font: 20px/1.5 'Titillium Web', sans-serif;
}
.button {
  display: inline-block;
  width: 7em;
  border: 0.1em solid #444f55;
  border-radius: 0.3em;
  padding: 0.5em;
  background-color: #617078;
  color: #3d484c;
  text-align: center;
  font-size: 1em;
  line-height: 1;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
}
.button:hover {
  background-color: #6f828b;
}
.button:active {
  background-color: #546269;
}

External CSS

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External JavaScript

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