Cascading Style Sheets
Why Use Them?
Cascading Style Sheets (CSS) define the way content is presented in Web pages. Styles may be used in HTML elements, the <HEAD> of an HTML document, or in an external style sheet.
Benefits of using CSS include:
- Easy to maintain: a single external style sheet can control the appearance of innumerable Web pages.
- Smaller file sizes: Presentation details can be kept in an external file allowing the HTML files to only contain content. This will often dramatically reduce the HTML file size.
- Different media: CSS can be tailored for different media, including browsers (the screen), printers, handheld devices, etc.
- Great control over presentation right down to the pixel level.
Note: When using absolute positioning, the clear: both; command will not work correctly. The surrounding columns have to be floated (not positioned absolutely) to have the clear command work correctly.
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