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Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

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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.

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Code Indentation


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

              <h2>< del > + < ins ></h2>
  This one is an <ins>ins</ins> while this is a <del>del</del>. Sit amet, consectetur adipiscing elit. Fusce molestie sem nec massa rutrum lacinia. This one has replaced text... <del>old phrase</del><ins>new phrase</ins> ligula metus, eget tincidunt tellus tincidunt non. Ut sed vehicula neque. Pellentesque <del>this is a crazy-long deleted section to see what happens when it wraps to other lines</del> morbi tristique <ins>this a single, really long block of inserted text to demonstrate what it does while wrapping multiple lines. What do you think?</ins><del>del content</del> senectus et netus et malesuada fames ac turpis egestas. The CSS is a little hacky, but the effect might be worth it.
              html { box-sizing: border-box; } *, *::before, *::after { box-sizing: inherit; }
html {
  min-height: 100vh;
  font-size: 10px;
body {
  min-height: 100vh;
  background: linear-gradient(to bottom, #ecf0f1 50%, #bdc3c7);
  color: rgba(52, 73, 94,1.0);
  font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
  font-size: 3.3rem;
  font-weight: 200;
  padding: 2em 3em;
  line-height: 1.5;
ins, del{
  text-decoration: none;
  display: inline-block;
  padding: 0 .3em;
ins {
  background: #83d5a8;
  height: auto;
  border-radius: .3em;
  display: inline; 
  -webkit-box-decoration-break: clone;
  -o-box-decoration-break: clone;
  box-decoration-break: clone;
  margin-left: .07em;
  margin-right: .07em;
del {
  background: rgba(231, 76, 60,.5);
  cursor: no-drop;
  position: relative;
  top: .2em;
  height: 1.31em;
  width: .4em;
  line-height: 1.35;
  overflow: hidden;
  color: transparent;
  margin: -.4em .07em -.05em .07em;
  padding: 0 0 .1em 0;
  -webkit-box-decoration-break: clone;
  -o-box-decoration-break: clone;
  box-decoration-break: clone;
  border-radius: .3em;
  transition: padding-left ease .3s, padding-right ease .3s, color ease .15s;
del:hover {
  width: auto;
  color: #962e22;
  display: inline;
  padding: 0 .35em 0em 0.35em;
  line-height: unset;
  position: unset;
  top: unset;
  height: unset;
  transition: padding-left ease .3s, padding-right ease .3s, color ease .7s;
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