<div class="card">
  Card Content
  <div class="card__link">
    <div class="card__arrow">
      <div class="card__arrow__link">
        <a href="#">></a>
      </div>
    </div>
  </div>
</div>

.card {
  --card--bg-color: rgb(227, 232, 239);
  position: relative;
  width: 400px;
  height: 500px;
  background-color: var(--card--bg-color);
  border-radius: 30px 30px 30px 0;
  
  .card__link {
    position: absolute;
    bottom: 0;
    left: 0;
    transform: translateY(100%);
    width: 320px;
    height: 80px;
    background-color: var(--card--bg-color);
    border-radius: 0 0 30px 30px;
    
    .card__arrow {
      position: absolute;
      top: 0;
      right: 0;
      width: 100px;
      height: 100px;
      transform: translateX(100%);
      
      &:before {
        content: '';
        display: block;
        width: 50%;
        height: 50%;
        background-color: var(--card--bg-color);
      }
      
      .card__arrow__link {
        width: 100%;
        height: 100%;
        background-color: white;
        position: absolute;
        top: 0;
        border-radius: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
      }
      
      a {
        display: flex;
        justify-content: center;
        align-items: center;
        color: white;
        width: 70%;
        height: 70%;
        text-decoration: none;
        background-color: rgb(0, 78, 235);
        border-radius: 100%;
      }
    }
  }
}