Reference Charts
Character Entities
Character entities are used to create symbols, special letters, and markup-specific characters. Check what’s available in HTML and XHTML.
Color Names
Were you aware that there are only 16 legal color names for use in HTML and XHTML? Here they are, with their hex equivalents.
DOCTYPEs and Layout Modes
Different DOCTYPEs trigger different layout modes in different browsers. What will happen in a particular case?
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