22: Generic containers—the div and span elements

Sometimes you'll come across a grouping of content that doesn't have an existing HTML 4 element (or elements) that will suit it exactly. Typical archetypes include page headers, footers, and navigation menus. In these cases, you can wrap the content in a <div> or <span> element, and give it a class or id attribute. This will group it together and provide a hook to manipulate the content as a single entity using JavaScript or CSS at a later date. These generic elements are the subject of this article.

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Typo (double other): "to wrap around other other block level elements"