JSFiddle - React, Tailwind, and code Playground

HTML

<div class="a">
        <div class="b">Hello</div>
        <div class="c">
            <div class="b">World!</div>
        </div>
    </div>

CSS

.a .b {
        color: red;
    }

    .a > .b {
        color: blue;
    }