CodePen

CodePen 可以很方便的创建代码演示并嵌入。

<iframe
  height="265"
  style="width: 100%;"
  scrolling="no"
  title="Solar System animation - Pure CSS"
  src="https://codepen.io/kowlor/embed/ZYYQoy?height=265&theme-id=light&default-tab=css,result"
  frameborder="no"
  loading="lazy"
  allowtransparency="true"
  allowfullscreen="true"
>
  See the Pen
  <a href="https://codepen.io/kowlor/pen/ZYYQoy"
    >Solar System animation - Pure CSS</a
  >
  by Malik Dellidj (<a href="https://codepen.io/kowlor">@kowlor</a>) on
  <a href="https://codepen.io">CodePen</a>.
</iframe>