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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.

  Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent purus magna, bibendum quis nisi ut, consectetur condimentum dolor. Maecenas suscipit urna eget turpis rutrum, sed rutrum enim dictum. Integer id nulla lectus. Sed eu sollicitudin ante. Nunc vulputate pellentesque magna, sit amet facilisis dolor sollicitudin vitae. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos.
              body {
  background: #900;

div {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid black;
  This doesn't work
  margin-left: -25%;
  margin-top: -25%;

  padding: 20px;  
  background: red;
  color: white;
  text-align: center;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
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