JSFiddle - React, Tailwind, and code Playground

HTML

<div id="a">Div A</div>
<div id="c">Div C</div>
<div>random other elements</div>
<div>random other elements</div>
<div id="d">Div D</div>
<div>random other elements</div>
<div id="b">Div B</div>

CSS

#a:hover ~ #b {
    background: pink
}
#c:hover ~ #b {
    background: red
}
#d:hover ~ #b {
    background: cyan
}