[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] handheld media type hanging indents hash mark [See pound sign] headers, table 2nd height property 2nd 3rd 4th [See also max-height property; min-height property]5th percentage values for positioned elements and setting to auto 2nd tables and help cursor hertz (Hz) units hexadecimal color notation Highlight system color HighlightText system color horizontal alignment of table cell content of text horizontal formatting, of block-level elements hourglass cursor href attribute, link tag HTML [See also specific elements and tags] deprecated elements in element selectors for file size reduced by CSS future of history of presentational elements in sample style sheet for structural elements of XML replacing <!-- --> HTML comments html element as root element 2nd inheritance of background styles hyperlinks [See links] Hypertext Markup Language [See HTML] hyphenation capitalization and justified text using Hz (hertz) units |