Pen Settings

HTML

CSS

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. You can use the CSS from another Pen by using it's URL and the proper URL extention.

+ add another resource

JavaScript

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

Packages

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.

Behavior

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.

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.

HTML

              
                
              
            
!

CSS

              
                html {
    height: 100%;
}

body {
    margin: 0;
    height: 100%;
    background: #010001;
background: -moz-linear-gradient(left,  #010001 0%, #010002 7%, #080102 7%, #080102 8%, #010101 8%, #010001 12%, #3b0403 12%, #3b0403 13%, #020001 13%, #010001 17%, #050f0d 17%, #050f0d 18%, #130003 19%, #130003 20%, #190104 20%, #190104 22%, #070103 22%, #070103 24%, #2e0201 24%, #2e0201 25%, #380404 25%, #380404 27%, #010001 27%, #010001 29%, #57330e 29%, #57330e 30%, #1b0504 30%, #1b0504 32%, #020001 32%, #010001 35%, #0d0203 35%, #0d0203 37%, #411c15 37%, #411c15 39%, #041310 39%, #041310 40%, #0c0204 40%, #0c0204 42%, #020002 42%, #020002 44%, #1c0102 44%, #1c0102 45%, #5f1715 45%, #5f1715 47%, #ee5c58 47%, #ee5c58 49%, #471012 49%, #471012 50%, #82081f 50%, #82081f 52%, #fc5694 52%, #fc5694 54%, #c22c86 54%, #c22c86 55%, #5f2d6c 56%, #5f2d6c 57%, #20132d 57%, #20132d 59%, #010001 59%, #010001 64%, #020106 64%, #020106 66%, #092cc4 66%, #092dc0 69%, #06138c 69%, #06138c 71%, #0b39ed 71%, #0b39ed 72%, #0947fe 72%, #0947fe 74%, #0a53f7 74%, #0a53f7 76%, #1485f9 76%, #1485f9 77%, #108bfa 77%, #108bfa 79%, #040732 79%, #040732 81%, #071c71 81%, #071c71 82%, #051253 82%, #051253 84%, #030209 84%, #030209 86%, #010001 86%, #010001 87%, #050f48 87%, #050f48 89%, #0928a9 89%, #0928a9 91%, #010001 91%, #010001 96%, #041d64 96%, #041d64 98%, #051760 98%, #051760 99%, #010001 99%, #010001 100%);
background: -webkit-linear-gradient(left,  #010001 0%,#010002 7%,#080102 7%,#080102 8%,#010101 8%,#010001 12%,#3b0403 12%,#3b0403 13%,#020001 13%,#010001 17%,#050f0d 17%,#050f0d 18%,#130003 19%,#130003 20%,#190104 20%,#190104 22%,#070103 22%,#070103 24%,#2e0201 24%,#2e0201 25%,#380404 25%,#380404 27%,#010001 27%,#010001 29%,#57330e 29%,#57330e 30%,#1b0504 30%,#1b0504 32%,#020001 32%,#010001 35%,#0d0203 35%,#0d0203 37%,#411c15 37%,#411c15 39%,#041310 39%,#041310 40%,#0c0204 40%,#0c0204 42%,#020002 42%,#020002 44%,#1c0102 44%,#1c0102 45%,#5f1715 45%,#5f1715 47%,#ee5c58 47%,#ee5c58 49%,#471012 49%,#471012 50%,#82081f 50%,#82081f 52%,#fc5694 52%,#fc5694 54%,#c22c86 54%,#c22c86 55%,#5f2d6c 56%,#5f2d6c 57%,#20132d 57%,#20132d 59%,#010001 59%,#010001 64%,#020106 64%,#020106 66%,#092cc4 66%,#092dc0 69%,#06138c 69%,#06138c 71%,#0b39ed 71%,#0b39ed 72%,#0947fe 72%,#0947fe 74%,#0a53f7 74%,#0a53f7 76%,#1485f9 76%,#1485f9 77%,#108bfa 77%,#108bfa 79%,#040732 79%,#040732 81%,#071c71 81%,#071c71 82%,#051253 82%,#051253 84%,#030209 84%,#030209 86%,#010001 86%,#010001 87%,#050f48 87%,#050f48 89%,#0928a9 89%,#0928a9 91%,#010001 91%,#010001 96%,#041d64 96%,#041d64 98%,#051760 98%,#051760 99%,#010001 99%,#010001 100%);
background: linear-gradient(to right,  #010001 0%,#010002 7%,#080102 7%,#080102 8%,#010101 8%,#010001 12%,#3b0403 12%,#3b0403 13%,#020001 13%,#010001 17%,#050f0d 17%,#050f0d 18%,#130003 19%,#130003 20%,#190104 20%,#190104 22%,#070103 22%,#070103 24%,#2e0201 24%,#2e0201 25%,#380404 25%,#380404 27%,#010001 27%,#010001 29%,#57330e 29%,#57330e 30%,#1b0504 30%,#1b0504 32%,#020001 32%,#010001 35%,#0d0203 35%,#0d0203 37%,#411c15 37%,#411c15 39%,#041310 39%,#041310 40%,#0c0204 40%,#0c0204 42%,#020002 42%,#020002 44%,#1c0102 44%,#1c0102 45%,#5f1715 45%,#5f1715 47%,#ee5c58 47%,#ee5c58 49%,#471012 49%,#471012 50%,#82081f 50%,#82081f 52%,#fc5694 52%,#fc5694 54%,#c22c86 54%,#c22c86 55%,#5f2d6c 56%,#5f2d6c 57%,#20132d 57%,#20132d 59%,#010001 59%,#010001 64%,#020106 64%,#020106 66%,#092cc4 66%,#092dc0 69%,#06138c 69%,#06138c 71%,#0b39ed 71%,#0b39ed 72%,#0947fe 72%,#0947fe 74%,#0a53f7 74%,#0a53f7 76%,#1485f9 76%,#1485f9 77%,#108bfa 77%,#108bfa 79%,#040732 79%,#040732 81%,#071c71 81%,#071c71 82%,#051253 82%,#051253 84%,#030209 84%,#030209 86%,#010001 86%,#010001 87%,#050f48 87%,#050f48 89%,#0928a9 89%,#0928a9 91%,#010001 91%,#010001 96%,#041d64 96%,#041d64 98%,#051760 98%,#051760 99%,#010001 99%,#010001 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#010001', endColorstr='#010001',GradientType=1 );

}
              
            
!

JS

              
                
              
            
!
999px

Console