Cascading Style Sheets (CSS)

CSS is a W3C technology which enables web designers to specify aspects of a web page's appearance separately from its structure, making maintenance of a document easier.

Styles can be specified inline by inserting them directly into the style attribute of an HTML element, in which case they affect just that element (and possibly children of that element). Alternatively, style rules can be embedded in the head section of an HTML document, affecting the entire document in the ways specified. It is also possible to link to an external CSS file, which has the benefit that it can be downloaded once and cached by the browser.

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