Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource


Babel includes JSX processing.

Add External Scripts/Pens

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.

+ add another resource


Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.


Auto Save

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.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.


	<div class="iceberg exemple"></div>
	<div class="iceberg iceberg-1">
	  <div class="iceberg iceberg-2"></div>


                // Divers
	background #68C4EF
	width 455px
	height 380px
	position absolute
	left 50%
	top 50%
	margin-left -227.5px
	margin-top -190px
// Partie iceberg
	position relative    
	// Triangle vers le haut
	width 0 
	height 0 
	border-left 185px solid transparent
	border-right 185px solid transparent
	border-bottom 185px solid
	// Fin des lignes du triangle
	// Décale tout les icebergs inclus dans un autre iceberg,
	// pour que les petits triangles se chevauchent joliement
	> .iceberg
		margin-left: -100px
	&::before, &::after
		// Necessaire, sans quoi le pseudo-element n'apparait pas
		content ''
		// Nous mettons nos éléments à la bonne hauteur
		position absolute
		top 185px
		// Nécessaire pour que le ::after ne passe pas devant iceberg-2
		z-index: -1
		// Triangle vers le bas
		width 0
		height 0
		border-left 95px solid transparent
		border-right 95px solid transparent
		border-top 95px solid
		// Fin des lignes du triangle
	// Nous déplaçons un des deux éléments, sans quoi ils seraient supperposés
		left -185px
// Les différents icebergs
	color: blue
	margin-bottom: 100px
		color: red
		color: yellow
	animation float 2s ease-in-out infinite alternate
	// Couleur de l'element principal
	color: #C7C8CA
	&::before, &::after 	
		// Couleur de la partie basse
		color: #3680a4
	color: white
	animation: float2 2s ease-in-out infinite alternate
	animation-delay: 0.5s
	&::before, &::after
		color: #89CFF3

// Partie animation
@keyframes float
		transform translateY(0px)
		transform translateY(15px)
@keyframes float2
		transform translateY(-5px)
		transform translateY(5px)