JSFiddle - React, Tailwind, and code Playground

HTML

<img id="thumbnail" src="http://placehold.jp/150x150.png">
<img id="original" src="http://placehold.jp/150x150.png">

CSS

#thumbnail{
  width:50px;
}
#original{
  position:absolute;
  left:50%;
  display:none;
}
#thumbnail:hover + #original{
  display:inline;
}