JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
  <div class="inner inner1"></div>
  <div class="inner inner2"></div>
</div>

CSS

.wrapper {
  border: 1px solid;
  cursor: pointer;
  padding: 20px;
  display: inline-block;
}

.inner {
  border: 1px dashed;
  width: 150px;
  height: 150px;
}

.inner1 {
  margin-bottom: 20px;
}

.wrapper:hover .inner1 {
  background: green;
}

.wrapper:hover .inner2 {
  background: orange;
}