CodePen Embed - [CSS] 背景色変更(ページ全体)

<body>
  <h1>背景色のサンプル</h1>
  <div class="first"></div>
  <div class="second"></div>
</body>

body {
  background-color: #e0ffff;
}

This Pen is owned by Yu Takada on CodePen. It is a fork of this Pen.

This Pen doesn't use any external CSS resources.

This Pen doesn't use any external JavaScript resources.