JSFiddle - React, Tailwind, and code Playground
HTML
<style>
@supports selector(div::part(test)) {
div {
background-color: blue;
};
}
@supports not selector(div::part(test)) {
div {
background-color: red;
};
}
</style>
<body>
<div>Blue if supported, red if not supported</div>
</body>