<div class="div1"></div>
<div class="div2"></div>
.div1{
  background: #5DEAA8;
  height: 100px;
  width: 100px;
  border-radius: 25px;
}
.div2{
  background: #5DEAA8;
  height: 100px;
  width: 100px;
  margin-top: 10px;
  border-top-left-radius: 50%;
  border-top-right-radius: 50%;
  border-bottom-right-radius: 50%;
  border-bottom-left-radius: 10%;
}

External CSS

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External JavaScript

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