<div class="container">
  <div class="card"></div>
</div>

.container {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;

}


.card {
  height: 200px;
  width: 200px;
  border-radius: 5px;
  background: white;
  box-shadow: rgb(204, 219, 232) 3px 3px 6px 0px inset, rgba(255, 255, 255, 0.5) -3px -3px 6px 1px inset;
}