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. 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.

+ 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

              
                -var x = ["322", "307", "292", "277", "262", "247", "232", "217", "202", "187", "172", "157", "142", "127", "112", "97", "82", "67", "52", "37", "22", "7", "652", "637", "622", "607", "592", "577", "562", "532", "547", "517", "487", "472", "457", "442", "427", "412", "397", "382", "367", "352", "337", "982", "967", "952", "937", "922", "907", "892", "877", "862", "847", "832", "817", "802", "787", "772", "757", "742", "727", "712", "697", "682", "667", "1222", "1207", "1192", "1177", "1162", "1147", "1132", "1117", "1102", "1087", "1072", "1057", "1042", "1027", "1012", "997"];
-var y = [[654,639,624,609,594,579,564,549,534,519,504,489,474,459,444,429,414,399,354,294,279,264,249,234,219,204,189,174,159,144,129,114,99,69,54,39],[519,504,489,474,459,444,429,414,399,354,294,279,264,249,234,219,129,114,99,84,69,54,39],[474,459,444,429,414,399,384,369,339,324,309,294,279,264,249,234,219,129,114,99,84,69,54,39],[444,429,384,369,309,294,279,264,249,234,219,144,129,114,99,84,69,54],[369,354,309,294,279,264,249,234,219,204,144,129,114,99,84,69,54],[369,354,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,69,54],[354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,99,84],[354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114],[339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[219,204,189,174,159,144,129,114,99],[204,189,174,159,144,129,114],[189,174,159,144,129],[174,159,144,129],[174,159,144,129],[174,159,144,129,114],[189,174,159,144,129,114],[189,174,159,144,129,114],[189,174,159,144,129,114],[204,174,159,144,129],[519,504,489,474,459,444,429,414,399,384,369,354,339,324,309,294,264,204,189,174,159,144,129,114,534],[519,534,504,489,474,459,444,429,414,399,384,369,354,339,324,309,294,249,234,219,204,189,174,159,144,129],[504,489,474,459,444,429,414,399,384,369,354,339,324,309,294,234,219,204,189,174],[474,459,444,429,414,399,384,369,354,339,324,309,294,234,219,204,189,159,144],[459,429,414,399,384,369,354,339,324,309,294,219,204,189,159,144,129,114],[384,369,354,339,324,309,294,279,234,219,204,189,174,159,144,129,114],[369,354,339,324,309,294,279,249,234,219,204,189],[369,354,339,324,309,294,279,264,249,174,159,144],[369,354,339,324,309,294,279,264,249,234,174,159,144,129],[354,339,324,309,294,174,159],[114],[129,114,99,84,69,54],[114,99,84,69,54,39],[459,129,114,99,84,69,54,39,24],[504,489,474,459,159,144,129,114,99,84,69,54,39,24,9],[519,504,489,474,459,444,159,144,129,114,99,84,69,54,39,24,9],[549,534,519,504,489,474,459,444,144,129,114,99,84,69,54,39,24],[549,534,519,504,489,474,459,444,429,234,219,114,99,84,69,54,39,24],[579,564,549,534,519,504,489,474,459,444,429,234,219,204,189,144,54,39,24],[579,564,549,534,519,504,489,474,459,444,429,414,234,219,204,189,174,159,144,129,114,54,39,594],[639,624,609,594,579,564,549,534,519,504,489,474,459,444,429,414,399,234,219,204,189,174,159,144,129,114,54,39],[459,444,429,414,384,369,354,339,279,264,249,234,219,204,189,174,159,144,129,114,99,84],[459,444,429,414,384,369,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[429,414,384,354,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[414,354,339,324,309,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[384,369,354,339,324,309,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[384,369,354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[369,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[369,354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84,69],[339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84],[324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84],[309,294,279,264,249,234,219,204,189,174,159,144,129,114,99],[309,294,279,264,249,234,219,204,189,174,159,144,129,114,69,54],[324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,69,54],[339,324,309,294,279,264,219,204,189,174,159,144,129,114,99,84,69,54],[354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99,84],[489,474,459,384,369,354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114,99],[489,414,399,384,369,354,339,324,309,294,279,264,249,234,219,204,189,174,159,144,129,114],[444,429,414,399,384,369,354,339,324,309,294,249,234,219,204,189,174,159,144,129,114],[519,504,489,474,459,444,429,414,399,384,369,354,339,324,309,294,264,249,204,189,174,159,144,129,114],[564],[579,564,549],[594,579,144,129,114,99,84],[504,489,144,129,114,99,84],[489,144,129,114,99],[144,129,114,99],[549,534,519,489,159,144,129,114,99],[564,549,534,519,489,459,189,174,159,129,114,99],[549,534,519,504,489,474,459,144,129,114,99],[534,519,504,489,474,444,144,129,114,99,549],[534,519,504,489,444,144,129,114,99,549],[534,519,504,489,474,444,219,144,129,114,99,84,549],[534,519,504,489,264,249,234,219,204,189,174,159,144,129,114,99,84,549],[534,519,504,489,429,414,279,264,219,204,189,174,159,144,129,114,99,84,549],[534,519,504,429,414,279,219,204,189,174,159,144,129,114,99,84,549],[534,549,519,429,414,369,249,234,219,204,189,174,159,144,129,114,99,84]];
section
  .b-header
    svg(xmlns="http://www.w3.org/2000/svg", xmlns:xlink="http://www.w3.org/1999/xlink", version="1.1", x="0px", y="0px", viewBox="0 0 1229 662", enable-background="new 0 0 1229 662", xml:space="preserve", class="b-header__map")
      - for (var i = 0; i < x.length; i++)
        - for (var j = 0; j < y[i].length; j++)
          circle(cx = x[i], cy = y[i][j], r = "6")

              
            
!

CSS

              
                @import "nib"

html
body
  height 100vh
  width 100vw
  padding 0
  margin 0
section
  width 100%
  height 100%
  background-image linear-gradient(-135deg,#203B4B 30%,#1F703D 70%)
  text-align center
  & .b-header
    background-image linear-gradient(-135deg,#2ecc71 30%,#3498db 70%)
    position relative
    height 100%
    width 100%
    &__map
      position absolute
      margin auto
      top 0
      right 0
      bottom 0
      left 0
      height 100%
      width 100%
      & circle
        fill rgba(255, 255, 255, 0.15) !important
        stroke none !important
        &.active
          stroke #fff !important
          stroke-opacity .9
          stroke-width 1px
          fill #fff !important
          fill-opacity .75
          animation pulse 3s ease infinite
        &.active-first
          stroke #fff !important
          stroke-opacity .9
          fill #fff !important
          fill-opacity .4
          animation pulse-first 3s ease infinite
        &.active-second
          stroke #fff !important
          stroke-opacity .9
          fill #fff !important
          fill-opacity .3
          animation pulse-second 3s ease infinite
        &.active-third
          stroke #fff !important
          stroke-opacity .9
          fill #fff !important
          fill-opacity .25
          animation pulse-third 3s ease infinite
@keyframes pulse
  0%
    opacity 0
  25%
    opacity .5
  50%
    opacity .9
  75%
    opacity .5
  100%
    opacity 0
@keyframes pulse-first
  0%
    opacity 0
    stroke-width 0px
  25%
    opacity .1
  50%
    stroke-width 12px
    opacity .2
  75%
    opacity .1
  100%
    stroke-width 0px
    opacity 0
@keyframes pulse-second
  0%
    opacity 0
    stroke-width 0px
  25%
    opacity .1
  50%
    stroke-width 16px
    opacity .2
  75%
    opacity .1
  100%
    stroke-width 0px
    opacity 0
@keyframes pulse-third
  0%
    opacity 0
    stroke-width 0px
  25%
    opacity .2
  50%
    stroke-width 20px
    opacity .4
  75%
    opacity .2
  100%
    stroke-width 0px
    opacity 0
              
            
!

JS

              
                window.onload = function() {
    var mapLength = document.getElementsByTagName('circle').length - 1;
    var currentCircle = "";
    var previousCircle = "";

    function rnd(a, z) {
        return Math.floor(Math.random() * (z - a) + a);
    }


    var randomCircle = rnd(0, mapLength);
    currentCircle = randomCircle;
    var a = document.getElementsByTagName('circle')[currentCircle];
    previousCircle = currentCircle;

    var circleCloneFirst = a.cloneNode(true);
    var circleCloneSecond = a.cloneNode(true);
    var circleCloneThird = a.cloneNode(true);
    a.classList.add("active");
    circleCloneFirst.classList.add("active-first");
    circleCloneSecond.classList.add("active-second");
    circleCloneThird.classList.add("active-third");
    circleCloneFirst.classList.remove("active");
    circleCloneSecond.classList.remove("active");
    circleCloneThird.classList.remove("active");
    circleCloneFirst.setAttribute('r', 10);
    circleCloneSecond.setAttribute('r', 14);
    circleCloneThird.setAttribute('r', 18);
    document.getElementsByClassName('b-header__map')[0].appendChild(circleCloneFirst);
    document.getElementsByClassName('b-header__map')[0].appendChild(circleCloneSecond);
    document.getElementsByClassName('b-header__map')[0].appendChild(circleCloneThird);


    (function(){

        if (previousCircle!="") {
            document.getElementsByTagName('circle')[previousCircle].classList.remove("active");
        }
        var randomCircle = rnd(0, mapLength);
        currentCircle = randomCircle;
        var a = document.getElementsByTagName('circle')[currentCircle];
        a.classList.add("active");

        circleCloneFirst.setAttribute('cx', a.getAttribute('cx'));
        circleCloneSecond.setAttribute('cx', a.getAttribute('cx'));
        circleCloneThird.setAttribute('cx', a.getAttribute('cx'));
        circleCloneFirst.setAttribute('cy', a.getAttribute('cy'));
        circleCloneSecond.setAttribute('cy', a.getAttribute('cy'));
        circleCloneThird.setAttribute('cy', a.getAttribute('cy'));

        previousCircle = currentCircle;
        setTimeout(arguments.callee, 3000);
    })();
}

              
            
!
999px

Console