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Crumbtrail
- SitePoint
- Reference
- SitePoint CSS Reference
- General Syntax and Nomenclature
- CSS Comments (this page)
by
Tommy Olsson and Paul O’Brien
SitePoint CSS Reference Index
- What Is CSS?
- General Syntax and Nomenclature
- At-rules Reference
- Selector Reference
- The Cascade, Specificity, and Inheritance
- CSS Layout and Formatting
- Box Properties
- Dimensions
- Margins
- Padding
- Borders and Outlines
- border-top-color
- border-top-style
- border-top-width
- border-top
- border-right-color
- border-right-style
- border-right-width
- border-right
- border-bottom-color
- border-bottom-style
- border-bottom-width
- border-bottom
- border-left-color
- border-left-style
- border-left-width
- border-left
- border-color
- border-style
- border-width
- border
- outline-color
- outline-style
- outline-width
- outline
- Layout Properties
- List Properties
- Table Properties
- Color and Backgrounds
- Typographical Properties
- Generated Content
- User Interface Properties
- Paged Media Properties
- Vendor-specific Properties
- Workarounds, Filters, and Hacks
- Differences Between HTML and XHTML
- Alphabetic Property Index
- Index of Live Demos
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CSS Comments
In CSS, a comment starts with /* and ends with */. Comments can span multiple lines, but may not be nested:
According to the CSS2 specification, comments that appear between tokens won’t have any effect on the styles’ rendering. In practice, however, we find comments causing errors in some older browsers in certain situations.
The // comment syntax used in C++ is not allowed. Neither are SGML comments that take the form <!-- … -->, except in one situation: they may appear in internal style sheets—style sheets placed within the HTML source using the
<style>tag—in order to hide the CSS statements from pre-HTML4 user agents. However, this use of comments is now redundant and can be disregarded. See Linking CSS to a Web Document for further information.