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

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help Help is available for the object under the cursor. Often rendered as a question mark or a balloon. The user agent retrieves the cursor from the resource designated by the URI. If the user agent cannot handle the first cursor of a list of cursors, it should attempt to handle the second, etc. If the user agent cannot handle any user-defined cursor, it must use the generic cursor at the end of the list. Example(s): P { cursor : url("mything.cur"), url("second.csr"), text; } 18.2 User preferences for colors In addition to being able to assign pre-defined color values [p. 48] to text, backgrounds, etc., <strong>CSS2</strong> allows authors to specify colors in a manner that integrates them into the user’s graphic environment. <strong>Style</strong> rules that take into account user preferences thus offer the following advantages: 1. They produce pages that fit the user’s defined look and feel. 2. They produce pages that may be more accessible as the current user settings may be related to a disability. The set of values defined for system colors is intended to be exhaustive. For systems that do not have a corresponding value, the specified value should be mapped to the nearest system attribute, or to a default color. The following lists additional values for color-related CSS attributes and their general meaning. Any color property (e.g., ’color’ or ’background-color’) can take one of the following names. Although these are case-insensitive, it is recommended that the mixed capitalization shown below be used, to make the names more legible. ActiveBorder Active window border. ActiveCaption Active window caption. AppWorkspace Background color of multiple document interface. Background Desktop background. ButtonFace Face color for three-dimensional display elements. ButtonHighlight Dark shadow for three-dimensional display elements (for edges facing away from the light source). ButtonShadow Shadow color for three-dimensional display elements. ButtonText Text on push buttons. 272
CaptionText Text in caption, size box, and scrollbar arrow box. GrayText Grayed (disabled) text. This color is set to #000 if the current display driver does not support a solid gray color. Highlight Item(s) selected in a control. HighlightText Text of item(s) selected in a control. InactiveBorder Inactive window border. InactiveCaption Inactive window caption. InactiveCaptionText Color of text in an inactive caption. InfoBackground Background color for tooltip controls. InfoText Text color for tooltip controls. Menu Menu background. MenuText Text in menus. Scrollbar Scroll bar gray area. ThreeDDarkShadow Dark shadow for three-dimensional display elements. ThreeDFace Face color for three-dimensional display elements. ThreeDHighlight Highlight color for three-dimensional display elements. ThreeDLightShadow Light color for three-dimensional display elements (for edges facing the light source). ThreeDShadow Dark shadow for three-dimensional display elements. Window Window background. WindowFrame Window frame. WindowText Text in windows. Example(s): For example, to set the foreground and background colors of a paragraph to the same foreground and background colors of the user’s window, write the following: P { color: WindowText; background-color: Window } 273
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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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first or last line box exists in a
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This is a very short document. This
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decimal Decimal numbers, beginning
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inside The marker box is the first
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OL.alpha { list-style: lower-alpha
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Contents 13 Paged media 13.1 Introd
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Sheet Page box A D Page content B C
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13.2.3 Crop marks: the ’marks’
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13.3.1 Break before/after elements:
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Value: | inherit Initial: 2 Applie
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13.4 Cascading in the page context
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Contents 14 Colors and Backgrounds
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This property sets the background i
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User agents may treat ’fixed’ a
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14.3 Gamma correction For informati
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Contents 15 Fonts 15.1 Introduction
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In the CSS2 font model, as in CSS1,
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15.2.2 Font family: the ’font-fam
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normal font. italic Specifies a fon
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1. ultra-condensed 2. extra-condens
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Specifies the aspect value. The num
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15.2.5 Shorthand font property: the
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menu The font used in menus (e.g.,
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Latin fonts Greek fonts Cyrillic fo
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page can be displayed. Progressive
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15.3.2 Descriptors for Selecting a
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15.3.3 Descriptors for Font Data Qu
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Value: [ [format( [, ]*)] | ] [,
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Page 262 and 263: The lengths specify the distance th
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Page 288 and 289: Values have the following meanings:
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Page 316 and 317: [RFC1630] "Universal Resource Ident
Page 318 and 319: Name ’border-top-width’ [p. 88]
Page 320 and 321: 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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