<div class="container container--images">
  <img src="https://picsum.photos/100/100" alt="" class="image">
  <img src="https://picsum.photos/200/100" alt="" class="image">
  <img src="https://picsum.photos/100/100" alt="" class="image">
  <img src="https://picsum.photos/200/100" alt="" class="image">
  <img src="https://picsum.photos/200/100" alt="" class="image">
</div>

.container--images {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 10px;
}
.image {
  margin-bottom: 10px;
  box-shadow: 4px 4px 4px rgba(0, 0, 0, .3)
}