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Pen Settings

CSS Base

Vendor Prefixing

Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

Quick-add: + add another resource

Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

Quick-add: + add another resource

Code Indentation


Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

              <div class="flex-box">
	<div class="flex-box__item"></div>
	<h2 class="title">タイトルがここに書かれる</h2>
	<div class="flex-box__item"></div>
	font-size: 60px
	color: yellow
	text-align: center

	//flex-box を指定する要素には幅を指定する。
	width: 640px
	background-color: blue
	//おやう要素に flex を指定
	display: flex
	flex-direction: row
	justify-content: space-between
	align-items: center
	//display: flex した対象の
		width: 150px
		height: 10px
		background-color: red
		border: solid 1px black

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