JSFiddle - React, Tailwind, and code Playground

HTML

<div class="algo">
  <p>Hola</p>
  <strong>¿Qué tal?</strong>
</div>
<div class="otracosa">Adios</div>
<div class="otracosa">Adios</div>
<div class="otracosa">Adios</div>
<div class="otracosa">Adios</div>

CSS

div.algo:hover p {
  color: red;
}

div.algo:hover strong {
  color: blue;
}

div.algo:hover ~ div.otracosa {
  color: brown;
  background: #ddd;
}

div.algo:hover + div.otracosa {
  color: gold;
}