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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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About the <head>

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. If you need things in the <head> of the document, put that code here.

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Insecure Resource

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

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JavaScript

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JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.

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Packages

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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.

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Using packages here is powered by Skypack, which makes packages from npm not only available on a CDN, but prepares them for native JavaScript ES6 import usage.

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HTML 

              
                <svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1500" height="1200" viewBox="0 0 1500 800">
  <defs>
    <style>
      .cls-1 {
        fill: none;
      }

      .cls-2 {
        clip-path: url(#clip-path);
      }

      .cls-3 {
        fill: #ffd266;
      }

      .cls-4, .cls-7 {
        fill: #f2f9f9;
      }

      .cls-5 {
        fill: #badfe3;
      }

      .cls-6 {
        fill: #b3d6da;
      }

      .cls-7 {
        opacity: 0.4;
      }

      .cls-8 {
        fill: #62bcc9;
      }

      .cls-9 {
        fill: #5aadb9;
      }

      .cls-10 {
        fill: #06a7b8;
      }

      .cls-11 {
        fill: #0597a6;
      }

      .cls-12 {
        fill: #0492a0;
      }

      .cls-13 {
        fill: #007d91;
      }
    </style>
    <clipPath id="clip-path">
      <rect class="cls-1" x="4.55" width="3000" height="2952.13" transform="translate(3009.09 2952.13) rotate(180)"/>
    </clipPath>
  </defs>
  <title>Sea background2</title>
  <g class="cls-2">
    <rect class="cls-3" x="4.55" y="-758.28" width="3000" height="5057.99" transform="translate(3009.09 3541.44) rotate(180)"/>
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    <path class="cls-6" d="M256.86,849c149.07,2.74,292.65,66.45,438.56,105.32a1341.25,1341.25,0,0,0,674.71,4.72C1638,891.6,1892.19,741.9,2163.88,707.53c266.13-33.66,532.22,45.33,792.47,123.76,26.09,7.87,53.63,16.73,72.52,41,25.53,32.73,28.12,83.57,29.19,129.65q13.41,578.29,26.83,1156.58c6.72,290,13.19,583.5-36.66,866.56-16.24,92.21-44,191.88-109.41,236.64-36.05,24.67-78.32,28.62-119.17,32.06-572.34,48.2-1149.09,96.24-1717.82,1.51-394.06-65.64-784-199.69-1181.32-187.32-39.52-176.12-54.49-361.12-44-543.79,9.75-169.55,41.19-336.62,45.08-506.55,5.6-244.84-46-485.34-98.6-721-11.16-50-22.49-102.18-15.18-153.34,9.12-63.86,47.76-81.06,79.91-121.25C-77.53,1018.61-54,972.25-11.45,937.83,67.45,874,164.14,847.3,256.86,849Z"/>
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  </g>
</svg>
!

CSS
!

JS 

              
                console.clear(); // Start with a clean console on refesh 
const tl = gsap.timeline({
  repeatRefresh: true, 
  repeat: -1,
  // autoRound: false,
  // onComplete: function () {
  //   tl.invalidate().restart();
  // }
});

/* Wave 1 Y-axis */
const maxY1 = -275;
const minY1 = -75;

/* Wave 2 Y-axis */
const maxY2 = -225;
const minY2 = -50;

/* Wave 1 X-axis */
const max2 = 50;
const min2 = -50;

/* Wave 2 X-axis */
const max2X = -50;
const min2X = 75;

/* Wave 1 Scale */
const maxS1 = 1;
const minS1 = 0.8;

/* Wave 2 Scale */
const maxS2 = 1;
const minS2 = 0.75;
// for (let i = 0; i < 100; i++) {
tl.to(
  "path",
  {
    duration: "random([6, 12])",
    y: random2(minY1, maxY1),
    x: random2(min2, max2),
    autoAlpha: gsap.utils.wrap([0, 0.5, 0.75]),
    scaleX: randomS1(minS1, maxS1),
    ease: "sine.inOut",
    // repeat: 3,
    // repeatDelay: 0.5,
    yoyo: true
  },
);
// }

function randomY1(minY1, maxY1) {
  if (maxY1 == null) {
    maxY1 = minY1;
    minY1 = 0;
  }
  return function () {
    return Math.random() * (maxY1 - minY1) + minY1;
  };
}

function randomY2(minY2, maxY2) {
  if (maxY2 == null) {
    maxY2 = minY2;
    minY2 = 0;
  }
  return function () {
    return Math.random() * (maxY2 - minY2) + minY2;
  };
}

function random2(min2, max2) {
  if (max2 == null) {
    max2 = min2;
    min2 = 0;
  }
  return function () {
    return Math.random() * (max2 - min2) + min2;
  };
}

function random2X(min2X, max2X) {
  if (max2X == null) {
    max2X = min2X;
    min2X = 0;
  }
  return function () {
    return Math.random() * (max2X - min2X) + min2X;
  };
}

function randomS1(minS1, maxS1) {
  if (maxS1 == null) {
    maxS1 = minS1;
    minS1 = 0;
  }
  return function () {
    return Math.random() * (maxS1 - minS1) + minS1;
  };
}

function randomS2(minS2, maxS2) {
  if (maxS2 == null) {
    maxS2 = minS2;
    minS2 = 0;
  }
  return function () {
    return Math.random() * (maxS2 - minS2) + minS2;
  };
}
!
999px

Console