Answer to Question #57664 in AJAX | JavaScript | HTML | PHP for Joshua Hause

Question

What does the following rule set do?
tbody tr:nth-child(2n) {
background-color: gray;
}

Answer 1

The provided rule sets the background color to gray for each table row(tr tag) that is child node of its parent with event index (starting from one) on each level inside table body (tbody tag).