JSFiddle - React, Tailwind, and code Playground

HTML

<div class="horse"><a href="#">
    <div class="onse"><p>ПОКУПКА 300 КЛЮЧЕЙ</p></div>
    <div class="prc"><p>1650<sup> руб. </sup></p></div>
    </a></div>

CSS

a {
  color: green;
}
.horse:hover .onse {color: yellow;}
.horse:hover .prc {color: pink;}