nth-of-type.html

<ul>
    <li>Lorem ipsum dolor sit.</li>
    <li>Cupiditate fugit iste voluptates!</li>
    <li>Laudantium quas saepe voluptatum.</li>
    <li>Dolorem minima officiis quis!</li>
    <li>Doloribus expedita magni quisquam.</li>
</ul>

<style>
    li {
        background: #efefef;
    }

    li:nth-of-type(2) {
        background-color: lightblue;
    }

    li:nth-of-type(3) {
        background-color: lightgreen;
    }
</style>