W3C CSS2 Cascading Style Sheets, level 2 - instructional media + ...

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Value: all | [normal | bold | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900] [, [normal | bold | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900]]* Initial: all Media: visual This is the descriptor for the weight of a face relative to others in the same font family. It takes the same values as the ’font-weight’ property with three exceptions: 1. relative keywords (bolder, lighter) are not permitted. 2. a comma-separated list of values is permitted, for fonts that contain multiple weights. 3. an additional keyword, ’all’ is permitted, which means that the font will match for all possible weights; either because it contains multiple weights, or because that face only has a single weight. ’font-stretch’ (Descriptor) Value: all | [ normal | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded ] [, [ normal | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded] ]* Initial: normal Media: visual This is the CSS indication of the condensed or expanded nature of the face relative to others in the same font family. It takes the same values as the ’font-stretch’ property except that: relative keywords (wider, narrower) are not permitted a comma-separated list is permitted The keyword ’all’ is permitted ’font-size’ (Descriptor) Value: all | [, ]* Initial: all Media: visual This is the descriptor for the sizes provided by this font. Only absolute length [p. 43] units are permitted, in contrast to the ’font-size’ property, which allows both relative and absolute lengths and sizes. A comma-separated list of absolute lengths is permitted. The initial value of ’all’ is suitable for most scalable fonts, so this descriptor is primarily for use in an @font-face for bitmap fonts, or scalable fonts designed to be rasterised at a restricted range of font sizes. 216
15.3.3 Descriptors for Font Data Qualification: ’unicode-range’ The following descriptor is optional within a font definition, but is used to avoid checking or downloading a font that does not have sufficient glyphs to render a particular character. ’unicode-range’ (Descriptor) Value: [, ]* Initial: U+0-7FFFFFFF Media: visual This is the descriptor for the range of ISO 10646 characters [p. 230] covered by the font. The values of are expressed using hexadecimal numbers prefixed by "U+", corresponding to character code positions in ISO 10646 ([ISO10646]). For example, U+05D1 is the ISO 10646 character ’Hebrew letter bet’. For values outside the Basic Multilingual Plane (BMP), additional leading digits corresponding to the plane number are added, also in hexadecimal, like this: U+A1234 which is the character on Plane 10 at hexadecimal code position 1234. At the time of writing no characters had been assigned outside the BMP. Leading zeros (for example, 0000004D) are valid, but not required. The initial value [p. 69] of this descriptor covers not only the entire Basic Multilingual Plane (BMP), which would be expressed as U+0-FFFF, but also the whole repertoire of ISO 10646. Thus, the initial value says that the font may have glyphs for characters anywhere in ISO 10646. Specifying a value for ’unicode-range’ provides information to make searching efficient, by declaring a constrained range in which the font may have glyphs for characters. The font need not be searched for characters outside this range. Values may be written with any number of digits. For single numbers, the character ’?’ is assumed to mean ’any value’ which creates a range of character positions. Thus, using a single number: unicode-range: U+20A7 no wild cards - it indicates a single character position (the Spanish peseta currency symbol) unicode-range: U+215? one wild card, covers the range 2150 to 215F (the fractions) unicode-range: U+00?? two wild cards, covers the range 0000 to 00FF (Latin-1) unicode-range: U+E?? two wild cards, covers 0E00 to 0EFF (the Lao script) A pair of numbers in this format can be combined with the dash character to indicate larger ranges. For example: unicode-range: U+AC00-D7FF the range is AC00 to D7FF (the Hangul Syllables area) 217
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REC-CSS2-19980512 Cascading Style S
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Quick Table of Contents 1 About the
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4.3.4 URL + URN = URI . . . . . . .
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9.7 Relationships between ’displa
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cursive . . . . . . . . . . . . . 2
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B.1 New functionality . . . . . . .
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Section 2: An introduction to CSS2
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Initial This part specifies the pro
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The section on Paged Media was in l
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Contents 2 Introduction to CSS2 2.1
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CSS2 has more than 100 different pr
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Adding more rules to the style shee
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Simplicity. CSS2 is more complex th
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Document language The encoding lang
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3.2 Conformance This section define
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Contents 4 CSS2 syntax and basic da
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Macro Definition ident name nmstart
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In fact, these two methods may be c
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P[example="public class foo\ {\ pri
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A user agent conforming to a future
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0.28 mm 1.4 mm viewer 28 inch 71 cm
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Example(s): An example without quot
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Values outside the device gamut sho
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When a style sheet resides in a sep
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Contents 5 Selectors 5.1 Pattern ma
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5.2 Selector syntax A simple select
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5.6 Child selectors A child selecto
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Example(s): The following rule hide
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H1#chapter1 { text-align: center }
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Example(s): The following rule sets
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5.11.4 The language pseudo-class: :
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The following CSS2 will make a drop
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6 Assigning property values, Cascad
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BODY { font-size: 10pt } H1 { font-
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6.4.1 Cascading order To find the v
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author style sheet and may be overr
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Link to a target medium The bo
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Relationship between media groups a
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Top TM TB TP Margin (Transparent) B
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First element of list Second elemen
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Value: {1,4} | inherit Initial: not
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values, they apply to the top, righ
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’border-color’ Value: {1,4} | t
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Since the initial value of the bord
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Contents 9 Visual formatting model
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9.2 Controlling box generation The
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The P generates a block box, with s
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The properties of the run-in elemen
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Value: static | relative | absolute
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The offset is a fixed distance from
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or like this: Several emphasized wo
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IMG { float: left } BODY, P, IMG {
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image margin paragraph border parag
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Values have the following meanings
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position: fixed; width: 100%; heigh
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Document Window (0,0) (0, 400) 1 Be
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Document Window (0,0) (0, 400) 24 p
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Document Window I used two red hyph
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This text will be beneath everythi
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(U+202C) at the end of the element.
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Contents 10 Visual formatting model
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#div1 { position: absolute; left: 5
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(If the border style is ’none’,
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’max-width’ Value: Initial: App
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10.6.1 Inline, non-replaced element
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Value: Initial: Applies to: | | n
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. We recommend a computed value for
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Contents 11 Visual effects 11.1 Ove
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DIV I didn’t like the play, but t
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(0, 0) (50, 0) clip region (0, 55)
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onclick=’show("container2");hid
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12 Generated content, automatic num
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the pseudo-element will behave as i
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’block’: the pseudo-element is
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Approximate rendering ISO 10646 cod
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Value: [ ? ]+ | none | inherit Ini
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Example(s): The following style she
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Page 171 and 172: inside The marker box is the first
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Page 175 and 176: Contents 13 Paged media 13.1 Introd
Page 177 and 178: Sheet Page box A D Page content B C
Page 179 and 180: 13.2.3 Crop marks: the ’marks’
Page 181 and 182: 13.3.1 Break before/after elements:
Page 183 and 184: Value: | inherit Initial: 2 Applie
Page 185 and 186: 13.4 Cascading in the page context
Page 187 and 188: Contents 14 Colors and Backgrounds
Page 189 and 190: This property sets the background i
Page 191 and 192: User agents may treat ’fixed’ a
Page 193 and 194: 14.3 Gamma correction For informati
Page 195 and 196: Contents 15 Fonts 15.1 Introduction
Page 197 and 198: In the CSS2 font model, as in CSS1,
Page 199 and 200: 15.2.2 Font family: the ’font-fam
Page 201 and 202: normal font. italic Specifies a fon
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Page 205 and 206: Specifies the aspect value. The num
Page 207 and 208: 15.2.5 Shorthand font property: the
Page 209 and 210: menu The font used in menus (e.g.,
Page 211 and 212: Latin fonts Greek fonts Cyrillic fo
Page 213 and 214: page can be displayed. Progressive
Page 215: 15.3.2 Descriptors for Selecting a
Page 219 and 220: Value: [ [format( [, ]*)] | ] [,
Page 221 and 222: ’stemv’ (Descriptor) Value: In
Page 223 and 224: the extras are ignored. [p. 42] Exa
Page 225 and 226: Swiss 721 light Swiss 721 Swiss 721
Page 227 and 228: The ideal solution would be to have
Page 229 and 230: 15.4.11 Lower Baseline This gives t
Page 231 and 232: 15.4.19 Vertical stem width This is
Page 233 and 234: The per-descriptor matching rules f
Page 235 and 236: The next example defines a family o
Page 237 and 238: Contents 16 Text 16.1 Indentation:
Page 239 and 240: 16.3.1 Underlining, overlining, str
Page 241 and 242: Example(s): Consider this example:
Page 243 and 244: This property controls capitalizati
Page 245 and 246: Contents 17 Tables 17.1 Introductio
Page 247 and 248: other document languages (such as X
Page 249 and 250: ’table-footer-group’) element T
Page 251 and 252: caption’s margin caption caption
Page 253 and 254: current margins text text text prev
Page 255 and 256: cells rows row groups columns colum
Page 257 and 258: The two algorithms are described be
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Page 262 and 263: The lengths specify the distance th
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An example of a table with collapse
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Each document language may have dif
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270
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help Help is available for the obje
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18.3 User preferences for fonts As
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Example(s): For example, to draw a
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spatial audio), and paragraphs of c
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Value: | | inherit Initial: depen
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Example(s): The following two rules
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far-right Same as ’60deg’. With
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fast Same as 300 words per minute.
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Values have the following meanings:
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290
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SUB { vertical-align: sub } SUP { v
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Dynamic outlines [p. 274] . B.2 Upd
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the native font format on the Amiga
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TrueDoc TrueDoc technology was deve
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Square Cove (4) Obtuse Square Cove
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XHeight Standard/Serifed (4) High/T
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Block Add Block name Unicode range
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This table suggests where such info
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308
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pseudo_page : ’:’ IDENT ; font_
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{num}rad {num}grad {num}ms {num}s {
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[RFC1808] "Relative Uniform Resourc
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[RFC1630] "Universal Resource Ident
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Name ’border-top-width’ [p. 88]
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Name ’list-style-type’ [p. 168]
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Name ’speech-rate’ [p. 285] Val
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Name Values Initial value ’mathli
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’ascent’ (descriptor), 222 aspe
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close-quote, 159, 155 collapsing ma
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font family, 198 font set, 199 font
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definition of, 43 ’letter-spacing
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page model, 175 page selector, 176
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simple selector, 55 ’size’, 177
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valid style sheet, 29 value, 41 ver
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