<h1>CodePen</h1>

<ul>
  <li>プラグイン不要</li>
  <li>HTML, CSS, JavaScriptに対応</li>
  <li>すぐに結果が確認できる</li>
</ul>

<a href="https://yutablolife.com/codepen/">ページトップへ</a>
* {
  text-align: center;
  margin: 0;
  padding: 0;
}

h1 {
  color: hsl(700 80% 80%);
  margin: 10px;
  border-bottom: 1px dashed;
}

li {
  list-style: none;
}

a {
  display: inline-block;
  text-decoration: none;
  background: rgb(172, 230, 38);
  color: #fff;
  padding: 3px 5px;
  margin: 5px;
  border-radius: 5px;
  box-shadow: 5px 5px 0px 1px rgb(83, 110, 18);
}

a:hover {
  color: #333;
  box-shadow: none;
  transform: translate(5px,10%);
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.