JSFiddle - React, Tailwind, and code Playground

HTML

<div id="img1">
 <img src="https://images.unsplash.com/photo-1458668383970-8ddd3927deed?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&s=1e9d6264da3ae9cacdddcad3b63f3c04" alt="" class="img-zoom">
</div>

CSS

.img1 {
  margin: 100px;
  width: 300px;
  height: auto;
}

#img1:hover .img-zoom {
  cursor: pointer;
  transform: scale(1.3);
}

.img-zoom {
  width: 100%;
  transform: scale(1);
  transition: all .2s ease;
}