Pen Settings

HTML

CSS

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

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

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.

HTML

              
                <div role="img" aria-label="animated cartoon showing a surprised rabbit next to a finish line while a turtle passes it on a skateboard"></div>
              
            
!

CSS

              
                body {
  background: skyblue;
  margin: 0;
  overflow: hidden;
}

div {
  --color: black;
  height: 100vh;
  width: 100vw;
  animation: surprise 2s infinite;
  background-image:
    /* eyes */
    radial-gradient(white 50%, transparent 0),
    radial-gradient(white 50%, transparent 0),
    radial-gradient(ellipse 80% 100%, black 50%, transparent 0),
    radial-gradient(ellipse 80% 100%, black 50%, transparent 0),
    /* nose and cheeks */
    radial-gradient(ellipse 80% 60%, black 50%, transparent 0),
    radial-gradient(ellipse, pink 50%, transparent 0),
    radial-gradient(ellipse, pink 50%, transparent 0),
    /* mouth */
    radial-gradient(at 50% 70%, white 50%, transparent 0),
    radial-gradient(at 50% 70%, black 50%, transparent 0),
    /* head */
    radial-gradient(ellipse 60% 50%, white 80%, transparent 0),
    /* legs */ 
    radial-gradient(ellipse 60% 30% at 50% 80%, white 80%, transparent 0),
    radial-gradient(ellipse 60% 30% at 50% 80%, white 80%, transparent 0),
    /* body */
    radial-gradient(ellipse 40% 60% at 50% 80%, #ddd 40%, white 0 99.9%, transparent 0),
    /* ears */
    radial-gradient(ellipse at 90% 50%, pink 50%, transparent 0),
    radial-gradient(ellipse at 85% 50%, white 50%, transparent 0),
    radial-gradient(ellipse at 10% 50%, pink 50%, transparent 0),
    radial-gradient(ellipse at 0 50%, white 50%, transparent 0),
    /* surprise lines */
    radial-gradient(circle at 0% 100%, skyblue 20%, transparent 0),
    conic-gradient(at 0% 100%, transparent 25deg, var(--color) 0 30deg, transparent 0 44deg, var(--color) 0 49deg, transparent 0 65deg, var(--color) 0 70deg, transparent 0)
    ;
  background-position:
    /* eyes */
    calc(70vw + 3.75vh) 79.125vh, calc(70vw + 6.25vh) 79.125vh, calc(70vw + 3vh) 79vh, calc(70vw + 5.5vh) 79vh,
    /* nose and cheeks*/
    calc(70vw + 4.4vh) 80.5vh,
    calc(70vw + 2vh) 80.5vh,
    calc(70vw + 6vh) 80.5vh,
    /* mouth */
    calc(70vw + 3vh) 81.9vh,
    calc(70vw + 3.5vh) 81.75vh,
    /* head */
    70vw 75vh,
    /* legs */
    calc(70vw - 3vh) 90.5vh, calc(70vw + 8vh) 90.5vh,
    /* body */
    70.125vw 80vh,
    /* ears */
    calc(70vw + 1.825vh) 68.5vh,
    calc(70vw + 0.75vh) 67vh,
    calc(70vw + 5.825vh) 68vh,
    calc(70vw + 5.33vh) 66.5vh,
    /* surprise lines */
    calc(70vw + 9vh) 72vh,
    calc(70vw + 9vh) 72vh
    ;
  background-size:
    /* eyes */
    0.5vh 0.5vh, 0.5vh 0.5vh, 1.5vh 1.5vh, 1.5vh 1.5vh, 
    /* nose and cheeks*/
    1.5vh 1.25vh,
    2vh 1.4vh,
    2vh 1.4vh,
    /* mouth */
    4vh 4vh,
    3vh 3vh,
    /* head */
    10vh 10vh,
    /* legs */
    5vh 4vh, 5vh 4vh,
    /* body */
    9.75vh 15vh,
    /* ears */
    2.5vh 10vh,
    4vh 12vh,
    2.5vh 11vh,
    4.25vh 13vh,
    /* surprise lines */
    5vh 5vh,
    5vh 5vh
    ;
  background-repeat: no-repeat;
}

div::after {
  content: "META";
  display: block;
  position: absolute;
  font-size: 3vmin;
  font-family: Arial, Arial, Helvetica, sans-serif;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding-top: 64vh;
  padding-left: 17vw;
  background-image:
    radial-gradient(circle at 80% 20%, yellow 8vh, transparent 15vh),
    /* grass */
    linear-gradient(transparent 95vh, seagreen 0 97vh, green),
    conic-gradient(transparent 175deg, seagreen 0 185deg, transparent 0),
    conic-gradient(transparent 160deg, seagreen 0 176deg, transparent 0),
    conic-gradient(transparent 175deg, seagreen 0 185deg, transparent 0),
    conic-gradient(transparent 180deg, seagreen 0 190deg, transparent 0),
    conic-gradient(transparent 185deg, seagreen 0 195deg, transparent 0),
    conic-gradient(transparent 160deg, seagreen 0 176deg, transparent 0),
    conic-gradient(transparent 175deg, green 0 185deg, transparent 0),
    conic-gradient(transparent 180deg, seagreen 0 190deg, transparent 0),
    conic-gradient(transparent 185deg, seagreen 0 195deg, transparent 0),
    conic-gradient(transparent 170deg, seagreen 0 190deg, transparent 0),
    /* finish line */
    linear-gradient(indianred 75%, brown 85%),
    linear-gradient(3deg, transparent 15%, white 15% 85%, transparent 0),
    linear-gradient(indianred 72%, brown 82%)
    ;
  background-repeat:
    no-repeat,
    /* grass */
    no-repeat, repeat-x, repeat-x, repeat-x, repeat-x, repeat-x, repeat-x, repeat-x, repeat-x, repeat-x, repeat-x,
    /* finish line */
    no-repeat, no-repeat, no-repeat
    ;
  background-position:
    left top,
    /* grass */
    left top, right 90vh, left 90vh, left 89.5vh, left 90vh, left 90.5vh, left 91vh, left 89.5vh, left 90vh, left 91.5vh, left 91vh,
    /* finish line */
    5vw 60vh, 5.5vw 60vh, 35vw 61.25vh
    ;
  background-size:
    100% 100%,
    /* grass */
    100% 100%, 0.4% 7%, 2.5% 5%, 1.5% 6%, 4% 5%, 1% 5%, 3.3% 5%, 1.25% 7%, 2.2% 8%, 1.35% 5%, 0.25% 5%,
    /* finish line */
    1vw 40%, 30vw 10%, 1vw 40%
    ;
}

@keyframes surprise {
  0%, 100% { --color: black; }
  50% { --color: transparent; }
}

@keyframes quick {
  0% { left: 110vw; }
  100% { left: calc(-110vw - 25vh); }
}

@media (prefers-reduced-motion) {
  div, div::before {
    animation: none !important;
  }
}

div::before {
  animation: quick 3s 1;
  animation-fill-mode: forwards;
  content: "";
  display: block;
  position: absolute;
  top: 77.5vh;
  left: 37vw;
  width: 25vh;
  height: 17vh;
  background-image:
    linear-gradient(black, black),
    /* skateboard */
    radial-gradient(circle at 100% 0%, indianred 1vh, transparent 0),
    linear-gradient(transparent 13vh, indianred 0 14vh, transparent 0),
    radial-gradient(closest-side, black 50%, orange 0 99.9%, transparent 0),
    radial-gradient(closest-side, black 50%, orange 0 99.9%, transparent 0),
    /* shell */
    repeating-linear-gradient(to right, transparent 0 11%, goldenrod 0 12%),
    repeating-linear-gradient(goldenrod 0 2%, transparent 0 50%),
    radial-gradient(ellipse 100% 150% at 50% 100%, olive 50%, transparent 0),
    conic-gradient(at 100% 100%, transparent 280deg, darkgreen 0 300deg, transparent 0),
    
    /* neck and head */
    radial-gradient(closest-side, white 99.9%, transparent 0),
    radial-gradient(closest-side, black 99.9%, transparent 0),
    radial-gradient(at 50% 60%, green 50%, transparent 0),
    radial-gradient(at 50% 60%, black 50%, transparent 0),
    radial-gradient(closest-side, green 99.9%, transparent 0),
    linear-gradient(255deg, green 60%, transparent 0),
    radial-gradient(ellipse at 50% 0%, green 50%, transparent 0),
    
    /* legs */
    radial-gradient(closest-side, green 99.9%, transparent 0),
    radial-gradient(closest-side, darkgreen 99.9%, transparent 0),
    radial-gradient(closest-side, green 99.9%, transparent 0),
    radial-gradient(closest-side, darkgreen 99.9%, transparent 0),
    /* rocket */
    linear-gradient(red, red),
    radial-gradient(100% 100%, red 50%, transparent 0),
    radial-gradient(100% 100%, yellow 50%, transparent 0),
    radial-gradient(100% 100%, orange 50%, transparent 0)
    ;
  background-position:
    15vh 0,
    /* skateboard */
    0vh 13vh, top right, 25% bottom, 80% bottom,
    /* shell */
    8vh 8vh, 8vh 8vh, 8vh top, 22vh 8.5vh,
    /* neck and head */
    4.5vh 5.25vh, 4.25vh 5vh, 5vh 6.25vh, 5.25vh 6.5vh, 3.75vh 4vh, 3.75vh 6vh, 5vh 10vh,
    /* legs */
    10vh 9vh, 8.5vh 9vh, 19.5vh 9vh, 18vh 9vh,
    /* rocket */
    11.25vh 0, 10vh 0vh, 20vh 0.75vh, 20vh 0.25vh
    ;
  background-size:
  2vh 10vh,
    /* skateboard */
    1vh 1vh, 24vh 17vh, 3vh 3vh, 3vh 3vh,
    /* shell */
    15vh 2vh, 15vh 2vh, 15vh 10vh, 2vh 2vh,
    /* neck and head */
    0.5vh 0.5vh, 1.25vh 1.5vh, 2vh 1.25vh, 2vh 1.25vh, 4.25vh 4vh, 4.25vh 4vh, 6vh 2vh,
    /* legs */
    3vh 4vh, 3vh 4vh, 3vh 4vh, 3vh 4vh,
    /* rocket */
    10vh 2.5vh, 2.5vh 2.5vh, 2.5vh 1vh, 4vh 2vh
    ;
  background-repeat: no-repeat;
}

              
            
!

JS

              
                
              
            
!
999px

Console