Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

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JavaScript

Babel includes JSX processing.

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Packages

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Behavior

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HTML

              
                <details class="details">
	<summary class="details__summary">HTMLのみでも開閉する&lt;details&gt;要素</summary>
	<div class="details__content">
		<p>&lt;details&gt;要素を使うとHTMLのみでも開閉できます。CSSを全て削除しても動作するのが確認できます。</p>
	</div>
</details>

<details class="details">
	<summary class="details__summary">HTML構成もシンプル</summary>
	<div class="details__content">
		<p>&lt;details&gt;要素の中に&lt;summary&gt;と詳細を書きます。</p>
	</div>
</details>

<details class="details">
	<summary class="details__summary">CSSで装飾可能</summary>
	<div class="details__content">
		<p>CSSによる装飾やアニメーションもOK</p>
	</div>
</details>

              
            
!

CSS

              
                body {
  margin: 50px 0 100px;
}

.details {
  line-height: 2;
  border: 1px solid #DDD;
  width: 80%;
  margin: 0 auto 20px;
  &__summary {
    cursor: pointer;
    background: #F4F4F4;
    margin: 0;
    padding: 10px 16px;
  }
  &__content {
    overflow: hidden;
    margin: 0;
    padding: 16px;
    * {
      transition: line-height 0.4s ease-out 0s, opacity 0.6s 0.3s;
      line-height: 0;
      opacity: 0;
      margin: 0;
      .details[open] & {
        line-height: 2;
        opacity: 1;
      }
    }
  }
}

              
            
!

JS

              
                
              
            
!
999px

Console