[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] !important declaration 2nd 3rd 4th 5th " (double quotes) in font-family declaration in generated content 2nd "I-bar" icon [See text selection cursor] "Images, Tables, and Mysterious Gaps" article 2nd # (pound sign) in hexadecimal color notation in ID selectors % (percentage sign) in property value > (greater-than symbol) in child selectors ' (single quotes) in font-family declaration in generated content 2nd * (asterisk) as universal selector 2nd 3rd in property syntax + (plus sign) in adjacent-sibling selectors in property syntax , (comma) in property syntax in selectors . (period) in class selectors .ani file extension .css filename extension .cur file extension / (slash) between font size and line height in property syntax 2nd : (colon) between property and value in pseudo-class or pseudo-element selectors ::marker pseudo-element :active pseudo-class 2nd 3rd :after pseudo-element 2nd 3rd :before pseudo-element 2nd 3rd :first pseudo-class :first-child pseudo-class 2nd :first-letter pseudo-element 2nd 3rd :first-line pseudo-element 2nd 3rd :focus pseudo-class 2nd :hover pseudo-class 2nd :lang pseudo-class 2nd :left pseudo-class :link pseudo-class 2nd 3rd 4th :right pseudo-class :visited pseudo-class 2nd 3rd ; (semicolon) following declarations 2nd ? (question mark) cursor in property syntax @font-face rule @import directive 2nd 3rd @media blocks @page rule setting page size and margins setting page types [] (brackets) in attribute selectors in property syntax \A, representing newline {} (curly braces) in property syntax | (vertical bar) in attribute selector in property syntax || (vertical double bar) in property syntax ~ (tilde) in attribute selectors |