Snakes & Ladders

<div></div>
<div></div>
<style>
  body {
    background: #6592cf;
    display: grid;
    place-content: end center;
    margin: 0;
  }
  div:nth-child(1) {
    width: 30px;
    height: 240px;
    background: #060f55;
    translate: -30px 30px;
    box-shadow: 130px 0 #060f55;
    border-radius: 20px 20px 0 0;
  }
  div:nth-child(2) {
    width: 100px;
    height: 30px;
    background: #060f55;
    translate: 0 -30px;
    box-shadow:
      0 -60px #060f55,
      0 -120px #060f55;
  }
</style>