<figure class="zoom_in">
  <img src="http://design-hajimemasita.com/wp-content/uploads/2021/06/wanko.jpg" />
</figure>
.zoom_in {
  width: 200px;
  overflow: hidden;
  cursor: pointer;
}

.zoom_in img {
  width: 200px;
  transform: scale(1);
  transition: .3s ease-in-out;
}
.zoom_in:hover img {
  transform: scale(1.3);
}

External CSS

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External JavaScript

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