<!-- ↓ボタンのHTML -->
<a class="button" href="#">どう見てもボタン</a>
<!-- ↑ボタンのHTML -->
.button {
  display: block;
  width: 90%;
  height: 100%;
  padding:50px 15px;
  color: #fff;
  font-weight:bold;
  font-size:30px;
  text-align: center;
  text-decoration: none;
  position: relative;
  background-color: #F4A229;
  border-radius: 5px;
  border-bottom:solid 5px #C28120;
  text-shadow: 0 1px 1px rgba(0, 0, 0, .3);
}
.button:active {
  top: 5px;
  border: none;
}
.button:hover {
  opacity:0.9;
}

External CSS

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External JavaScript

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