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Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

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Use npm Packages

We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import. We'll also process your JavaScript with Babel.

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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

  <small>Horizontal And Vertical Centering</small>
<h2 class="h5 text-warning">※ 幅や高さが不明の要素でも、CSSのみで天地中央揃えするテクニック。</h2>

<div class="container">

	<div class="box">みんなも場合ざっとそのろか人というのの頃がなっでます。何とも昔で留学心はけっしてわがお話でんまでに足りてくるなけれがは評ぶつかったでて、そうにも見るないですたあり。連中に云いです方ももっと絶対がついになたです。</div>

=            セットアップ用サンプルスタイリング             =

@import url(https://fonts.googleapis.com/css?family=Montserrat:400,700);

body{ margin: 0; padding: 0; background: #fafafa;
  font-family: YuGothic, 'Yu Gothic', 游ゴシック体, 游ゴシック, 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', メイリオ, Meiryo, 'MS Pゴシック', Osaka, 'MS PGothic', Arial, Helvetica, Verdana, sans-serif;

  margin: 20px 20px 30px;
  text-align: center;
  border-bottom: 1px solid #e1e1e1;

  margin: 50px auto 50px;

  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase; 
.text-warning {
    color: #8a6d3b;

  font-size: 14px;
  font-weight: normal;

=            サンプルスタイリング             =

	display: flex;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100px;

	/* Center according to the main axis */
	justify-content: center;

	/* Center according to the secondary axis */
        align-items: center;

  max-width: 420px;
  padding: 24px;
  background: rgba(0,0,0,.15);
  border: 1px solid rgba(0,0,0,.07);

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