094_ripples.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Ripples</title>
    <style>
      * {
        margin: 0;
      }
      section {
        position: relative;
        width: 400px;
        height: 300px;
        background: radial-gradient(
          circle,
          #f3ac3c 20px,
          #0e2e2c 21px 28px,
          #f3ac3c 29px 40px,
          #0e2e2c 41px 50px,
          #998235 51px 60px,
          #0e2e2c 61px 72px,
          #f3ac3c 73px 80px,
          #0e2e2c 81px 94px,
          #f3ac3c 95px 100px,
          #0e2e2c 101px
        );
      }
    </style>
  </head>
  <body>
    <section></section>
  </body>
</html>