nthchild3

nthchild3 is a CSS pseudo-class selector. It is used to select elements that are the third child of their parent. For example, the CSS rule `div p:nth-child(3)` would select all paragraph elements that are the third child of their parent div element. This selector is useful for applying specific styles to elements based on their position within a parent element. It can be used for a variety of styling purposes, such as creating zebra-striped tables, alternating row colors, or applying different styles to specific elements within a list. The `nth-child()` function can also accept arguments other than a specific number, such as `even` or `odd`, to select alternating elements. The `nth-child3` pseudo-class is a specific instance of the more general `nth-child()` selector, where the argument is the number 3. It is supported by all major modern web browsers.