sams teach yourself c in 24 hours appendix e

... Introduction to Cascading Style Sheets 7 Hour 1 Understanding Cascading Style Sheets 9 What Are Cascading Style Sheets? 10 Defining Style Sheets 10 Defining Cascading 10 The Origin of Cascading ... will become apparent later this hour. The entire rule is concluded by the ending brace. Properties Properties are defined by the official CSS specifications; these are the list of specific style effects ... languages can be used with CSS? 3. What’s the current version of Cascading Style Sheets? Answers 1. The cascade is the set of rules that order how style preferences are combined together. The effects...

Ngày tải lên: 21/01/2014, 16:20

... understand what those differences are. Older Browsers Older browsers are those that existed before Cascading Style Sheets were even a glimmer in the W 3C s collective eye. Netscape 3 is the classic ... watermark. WebTV The set-top WebTV boxes were an early attempt to make Internet appliances—devices that make Web access as easy as using your microwave. They’re interesting to us as CSS developers ... ( http://www.htmlhelp.com/tools/validator) Style Sheets in HTML Cascading Style Sheets were designed specifically to work with HTML and can be applied to Web pages in the following three different ways: •Linked Style Sheets • Embedded...

Ngày tải lên: 21/01/2014, 16:20

... Interface and Generated Content.” TABLE 5.2 The Pseudo-elements of CSS Pseudo-element Selects :before Inserts something before an element :after Inserts something after an element :first-letter The ... #serious Linked style sheet lime h1 em Linked style sheet white silver .yahoo Embedded style sheet yellow h1 Embedded style sheet white (implied) Inline style element Order of the Cascade To be able ... Source black white body Linked style sheet red blue h1 Linked style sheet black green em Linked style sheet purple #serious Linked style sheet black yellow .yahoo Linked style sheet marooon #serious...

Ngày tải lên: 21/01/2014, 16:20

... (default) semi-expanded Somewhat wider expanded Wide extra-expanded Very wide ultra-expanded Widest wider Increase by one step over inherited value narrower Decreases by one step below inherited ... the /author/ directory. However, if the same rule were part of an embedded style sheet or an inline style attribute on the index.php page, it would reference something in the /author/ directory ... to inherit, you can use the value inherit. In practice, transparent and inherit will almost always have the same effect, although there are a few cases when you’d need to use inherit instead...

Ngày tải lên: 21/01/2014, 16:20

... spacing in Netscape 6. word spacing letter spacing (kerning) letter spacing (leading) Warning for Netscape 4 The Netscape 4 browser does not support the letter-spacing or word-spacing properties. ... Properties Value Effect medium Sets a medium thickness border thick Sets a thick border thin Sets a thin border measurement Sets a border as wide as the specified measurement inherit Uses the inherited ... text percentage Raises as a percentage of the line-height negative percentage Lowers as a percentage of the line-height Several of these values require further explanation. The middle value aligns the middle of...

Ngày tải lên: 21/01/2014, 16:20

... unexpected is that the site menu remains fixed in place when the page is scrolled. All of these effects were created using CSS rules. The HTML source wasn’t altered, and neither tables nor presentational ... have margin properties. To set the spaces between table cells, you would instead use a separated-borders model, as described earlier, and set the border-spacing property on the table. The effect ... separated border model, a distance defined by the border-spacing property separates all cells from each other. In both models, the empty-cells property defines whether or not borders around empty table cells...

Ngày tải lên: 21/01/2014, 16:20

... and concepts, hands-on experience is invaluable for working out the nuances of CSS-based layout. Especially remember to test in various browsers to see how they choose to interpret the CSS specifications. ... More common are content-centric designs, which are focused on the site information and functionality. Content-centric sites are usu- ally more effective than designer-centric sites, but their designs ... of converting to a CSS layout, includ- ing how to overcome a number of CSS bugs, check out the account of dupli- cating the Web Reference layout in CSS at http://www.webreference.com/ authoring/style/sheets/layout/advanced/. Summary The...

Ngày tải lên: 21/01/2014, 16:20

... selects elements descended from another tag. Other relationship selectors include child and adjacent sib- ling selectors. Child Selectors A child selector is a special case of descendant selectors, ... Relationships between elements can be expressed in CSS by the child selector, which applies to direct children of a specific element, and by the adjacent sibling selector, which chooses the second ... the second of a pair of specified tags. Browser Support Report Card CSS Feature Grade Notes Attribute selectors C See text Child selectors C See text Adjacent sibling selectors C See text Unfortunately,...

Ngày tải lên: 21/01/2014, 16:20

... given. The name of the counter must be specified in the counter-reset declaration. The counter increases whenever a counter-increment property is applied that designates a counter of the same ... anyone else, but often they are unable to access sites due to careless Web design. Using Cascading Style Sheets is an excellent first step toward developing a site that can be used by everyone, ... } The amount can be omitted; for counter-reset this resets the counter to zero, and for counter-increment this increases the counter by one. You can reset or increment multi- ple counters by giving...

Ngày tải lên: 26/01/2014, 14:20

... 281 contrast, 169 counter, 401 counter-increment property, 401 counter-reset property, 401 creating a style sheet, 21-25 CSS. See Cascading Style Sheets. CSS accessibility benefits Web site, 456 CSS ... you’ll find a list of references; W 3C docu- ments don’t usually link directly to other sources but instead link to their reference lists. These references include the links out to other materials ... http://www.w3.org/XML. Web Content Accessibility Guidelines To ensure the accessibility of the Web to all users regardless of disability, the W 3C cre- ated a number of guidelines for eliminating access barriers. These...

Ngày tải lên: 26/01/2014, 14:20

... Web site, 337 W 3C s HTML validation Web site, 337 WAI. See Web Accessibility Initiative WCAG. See Web Content Accessibility Guidelines Web accessibility. See accessibility Web Accessibility Initiative (WAI), ... agent defined, 388, 465 user-defined style sheet, 121-122 defined, 465 user interface browsers, 388 creating outlines, 392 cursor appearance, 388-391 defined, 465 graphical, 388 using system colors, 392-394 using ... Initiative (WAI), 374-377 purpose of, 372-373 Web Content Accessibility Guidelines (WCAG), 375-376, 465 Web browsers. See browsers Web content and user inter- face, 388 Web Content Accessibility Guidelines...

Ngày tải lên: 26/01/2014, 14:20

... as well as the development of Internet technologies and network computing. Figure 1.3 illustrates the concept of client/server technology. Client Machine Client Machine Client Machine ServerServer ... other servers, instead of dumb terminals. Each PC, called a client, is provided access to the network, allow- ing communication between the client and the server, thus explaining the name client/server. ... database connection. With the CONNECT command, you can either invoke a connection or change connections to the database. For example, if you are connected as USER1, you can use the CONNECT command...

Ngày tải lên: 14/03/2014, 19:20

... do meet in person occasionally. The KDE One conference was held in December 1997. Other conferences are announced on the KDE Web site at http://www.kde.org/events.html. Most of the KDE components ... main section that discusses the lesson topic in a clear, concise manner by breaking the topic down into logical component parts and explaining each component clearly. Interspersed in each lesson ... the Application Archive 379 Make the Source Tree 380 xii Sams Teach Yourself KDE in 24 Hours Choosing How to View Objects 165 Selecting Cache Settings 168 Configuring the Browser Options 170 Reviewing...

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