JSFiddle - React, Tailwind, and code Playground

HTML

<div>Yo</div>
<div>Yo</div>

CSS

@supports (-webkit-border-radius: 6px) {
    div:nth-of-type(1) {
        color: red;
    }
}

@supports not (-moz-border-radius: 6px) {
    div:nth-of-type(2) {
        color: blue;
    }
}