JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <input type="checkbox" required>
    <label for="a-0">a-1</label>
    <br>

    <input type="checkbox" required>
    <label for="a-1">a-2</label>
    <br>

    <input type="checkbox" required>
    <label for="a-2">a-3</label>
    <br>

    <input type="submit">
</form>