Official Spanish version of W3C Cascading Style Sheets document. Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g. fonts, colors, spacing) to Web documents. Tutorials, books, mailing lists for users, etc. can be found on the “learning CSS” page.
"This style sheet describes the typical formatting of all HTML 4 elements based on extensive research into current UA practice. Developers are encouraged to use it as a default style sheet in their implementations."