<div class="block">
  
</div>
.block  {
  width: 350px;
  height: 150px;
  background: radial-gradient(15.52% 31.02% at 50.64% 97.69%, #FFFFFF 95.76%, rgba(255, 255, 255, 0) 100%), #31A36E;
  position:relative;
}

External CSS

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External JavaScript

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