Leafy Trail

<div a></div>
<div b></div>
<div c></div>

<style>
  body {
    background: #0b2429;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  div {
    width: 150px;
    height: 150px;

    border-radius: 100px 0;
    position: absolute;
  }

  [a] {
    background: #1a4341;
    left: 75px;
  }
  [b] {
    background: #998235;
    left: 125px;
  }
  [c] {
    background: #f3ac3c;
    left: 175px;
  }
</style>