Checkers

<div></div>
<style>
  body {
    background: #e3516e;
  }

  div,
  div::after {
    background: #fade8b;
  }

  div {
    position: absolute;
    top: 50px;
    left: 100px;
    width: 40px;
    height: 40px;

    box-shadow:
      80px 0 #fade8b,
      160px 0#FADE8B,
      40px 40px #fade8b,
      120px 40px #fade8b,
      0px 80px #fade8b,
      80px 80px #fade8b,
      160px 80px #fade8b,
      40px 120px #fade8b,
      120px 120px #fade8b,
      0 160px #fade8b,
      80px 160px #fade8b,
      160px 160px #fade8b;
  }
  div::after {
    content: '';
    position: absolute;
    left: 50px;
    top: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;

    box-shadow:
      80px 0 #fade8b,
      -40px 40px #fade8b,
      40px 40px #fade8b,
      120px 40px #fade8b,
      -40px 120px #fade8b,
      40px 120px #fade8b,
      120px 120px #fade8b,
      0 160px #fade8b,
      80px 160px #fade8b;
  }
</style>