DOM hierarchy pseudo-classes allow you to style specific elements based on where they fall in the hierarchy and what type of elements they are. You can also use :nth-child to target custom element patterns, like every other element.

<!doctype html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>GistRun</title>

  <link rel="stylesheet" href="styles.css">

      <style>

        ul {

            list-style: none;

            margin: 0;

            padding: 0;

        }

        li {

            padding: 5px;

        }

        /*    li:first-child {

                background-color: rgb(225, 231, 252);

            }

            li:last-child {

                background-color: rgb(225, 231, 252);

            }

            li:nth-child(2) {

              background-color: rgb(225, 0, 252);

            }*/

        /* The even child*/

        /*li:nth-child(2n) {

            background-color: gold ;

        }*/

        /* The odd child*/

        /*li:nth-child(2n+1) {

            background-color: darkred;

        }*/

        /* First 4 children */

        li:nth-child(-n+4) {

            background-color: cadetblue;

        }

        /* Expect first three children*/

        li:nth-child(n+4) {

            background-color: lightgoldenrodyellow;

        }

        /* Other psuedo classes:

        * :nth-last-child

        * :only-child

        * :only-of-type

        * :last-of-type

        * :nth-of-type(an+b)

        * :nth-last-of-type(an+b)

        */</style>

</head>

<body>

  <ul>

    <li><a href="#" target="_blank">target=_blank</a></li>

    <li><a href="#" target="someFrame">target=someFrame</a></li>

    <li><a href="#" rel="link-blog">rel=link-blog</a></li>

    <li><a href="#" rel="linkproducts">rel=linkproducts</a></li>

    <li><a href="#" rel="link about">rel=link about</a></li>

    <li><a href="#" rel="link-about" title="special">rel=link-about title=special </a></li>

    <li><a href="#" rel="link-other" title="special">rel=link-other title=special </a></li>

    <li><a href="#" rel="this item available now">rel=this item available now</a></li>

    <li><a href="#" rel="product-200-available-now">rel=product-200-available-now</a></li>

    <li><a href="#" rel="linkproductavailable300">rel=linkproductavailable300</a>

    <li><a href="#" rel="sale-product-400">rel=sale-product-400</a></li>

    <li><a href="#" rel="sale">rel=sale</a></li>

    <li><a href="#" rel="product-500-discontinued">rel=product-500-discontinued</a></li>

    <li><a href="#" rel="product600discontinued">rel=product600discontinued</a></li>

    <li><a href="#" rel="discontinued">rel=discontinued</a></li>

</ul>

  <script src="script.js"></script>

</body>

</html>

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