Any URL's added here will be added as
If active, Pens will autosave every 30 seconds after being saved once.
If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.
If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.
Visit your global Editor Settings.
<div class="box">box1</div> <div class="box2">box2</div>
.box width: 100px height: 100px background-color: red animation-name: animation1 animation-duration: 4s animation-iteration-count: infinite animation-direction: alternate @keyframes animation1 0% transform: rotate(0deg) 100% transform: rotate(360deg) .box2 width: 100px height: 100px background-color: blue transition: width 2s &:hover width: 200px
Also see: Tab Triggers