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Cascading Style Sheets

Cascading Style Sheets. CSS. What is it?. Another file format ! its not like html Describes the looks of “selectors” in a .css file (example.css) in the <head> of html in the <style> tag in the style attribute of almost any html tag (style=””). Why ANOTHER format?. Conceptual History

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Cascading Style Sheets

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  1. Cascading Style Sheets • CSS

  2. What is it? • Another file format ! its not like html • Describes the looks of “selectors” • in a .css file (example.css) • in the <head> of html in the <style> tag • in the style attribute of almost any html tag (style=””)

  3. Why ANOTHER format? • Conceptual History • Purpose • more flexible than html • works like a tree...

  4. Styles • The basic idea: • Classify text by its appearance • give common classifications a name • use the name to refer to them and apply attributes to them, such as type size

  5. CSS Concept • Documents are formatted based on the meaning • Assign the look for a meaning not the content! • CSS is used outside HTML too! • Concept is from the Publishing World

  6. Style Sheets • “Styles” or Style sheets are commonplace in publishing software • Print industry used Style Sheets to streamline workflow • A “Style” is shorthand for a set of attributes, such as typeface (font,) size, spacing, kerning

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