Ripples

<div></div>
<style>
  body {
    background: #0e2e2c;
    display: grid;
    place-content: center;
  }
  div {
    border-radius: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(
      at center,
      #f3ac3c 0 19px,
      #0e2e2c 20px 27px,
      #f3ac3c 28px 39px,
      #0e2e2c 40px 49px,
      #998235 50px 59px,
      #0e2e2c 60px 71px,
      #f3ac3c 72px 79px,
      #0e2e2c 80px 93px,
      #f3ac3c 94px
    );
  }
</style>