best practices for xhtml and css

... flexibility, and the simplicity of CSS- based layout and design If you’re already comfortable with XHTML and CSS, you’re ready to add JavaScript functionality for form validation and animation ... kinds of features for creating and testing pages; the HTML Validator checks your pages for standards compliance; and the Firebug extension adds incredible features for JavaScript and AJAX debugging ... Chapter 7: Creating Forms .121 You Have Great Form 121 Forms must have some form 123 Organizing a form with fieldsets and labels 123 Building...

Ngày tải lên: 15/02/2014, 19:20

... target formation depth, formation porosity, permeability, temperature, pressure, and seal formation The MVA packages for these case studies were selected to maximize understanding of CO2 behavior and ... Organization for Standardization (ISO) 14064  and 14065  by over 45 countries and the American National Standards Institute (ANSI, 2007) provides the foundation for developing protocols to validate and ... The best geologic carbon sink formations capable of storing CO2 include oil and gas bearing formations, saline formations, basalt, deep coal seams, and oil- or gas-rich shales Not all geologic formations...

Ngày tải lên: 18/02/2014, 01:20

... display, perform, and reproduce copyrighted works They routinely utilize still images, film and video clips, video games, audio segments, and other media for the purposes of analyzing and illustrating ... and include them in compilations or presentations for illustrative purposes The ability to copy, excerpt and edit, capture stills, and manipulate images and sounds in this way enhances film and ... on most commercial DVDs and iTunes music and videos This prohibition presented a problem for film and media educators because digital copies have become the standard for classroom use, but making...

Ngày tải lên: 30/03/2014, 12:21

... the techniques for achieving most of them are x x x  |  Introduction Who Is This Book For? This book is for those who want to get to grips with best- practice (X)HTML and CSS, and for those who ... specific CSS techniques thrown in that can be used to make their presentation all the prettier • Chapter 9, “Forms”—covers how to structure and present forms and form fields for user input, and explains ... is for one thing and CSS is for the other—HTML should be used solely to construct content and CSS should be used solely to present it Amongst other things, this means that font tags are out and...

Ngày tải lên: 07/08/2014, 17:21

... best document declaration to use in most situations is for XHTML 1.0 Strict And it looks like this: ... unclosed, and you’ll be fine There is no real need to use a doctype other than those already mentioned, but there are also doctypes for various versions of HTML, for an XHTML frameset, and also for XHTML ... stands for or where a link will take the user Figure 1.3  And a few examples of inline elements: links, form fields, images, and emphasized text The style attribute, which is used to inject CSS...

Ngày tải lên: 07/08/2014, 17:21

... equivalents of “Track Changes” and they are ins (for insertions) and del (for, wait for it… deletions) You can use the datetime attribute, the value of which (in the format of YYYYMMDD) would explain ... content (such as those holiday photos) and one for presentation (that’ll be those curved corners), and unless you’ve just opened the book for the first time and landed on this page, you should know ... visited One for when a link has been visited One for when a link is being hovered over  ne for when a link receives focus (for example, when it is tabbed to by O k ­ eyboard input) One for when...

Ngày tải lên: 07/08/2014, 17:21

... padding and borders to an element, you need to specify a different height and width for IE 5.x than you for other browsers There is no “proper” way of doing this because CSS (and HTML, for that ... letters made up of bananas, for example, you shouldn’t try and that with HTML and an img tag because that carries no more meaning What we use for presentation, boys and girls? CSS! ” I hear you harmonize ... around that), and margin: 50px (the outermost rectangle) The CSS standard also allows min-width, min-height, max-width, and max-height properties to set minimum and maximum widths and heights,...

Ngày tải lên: 07/08/2014, 17:21

... content and I want it there So I’ll just shove that there And I’ve got this chunk of content and I want that over there Cool I’ll just shove that there and shift it along a bit Excellent.” CSS layout ... content— div (see Chapter 1), and this is Sample Page Layouts  |  121 u ­ sually the best choice for defining important chunks We can then latch on to their IDs with CSS and move them about ... to the color you want for the navigation area (yellow, for example) and then color the rest of the boxes (such as the header and the content) to the main color you want for the page (such as...

Ngày tải lên: 07/08/2014, 17:21

... (corkd.com) Form Elements  |  173 form Elements Guess what a form element does That’s right! It defines a form It is between the opening and closing form tags that all of the form fields, buttons, and ... 9: Forms checkbox, and so on There are 10 possible values for this attribute, and each type has its own peculiarities: • text for single-line text • password for obfuscated text • checkbox for ... be sent when the form is submitted Putting Controls in Blocks Before jumping in and adding form field elements to the form, keep in mind that the only valid direct content of a form element (when...

Ngày tải lên: 07/08/2014, 17:21

... url(“print .css ); And it’s as simple as that Applying Media-Specific CSS |  197 Note that the values for the media attribute used here are screen and print, but you can also use handheld (for ... href=”screen css /> Or: @import url(“screen .css ); @import ... intended for a particular medium So, if we want one style sheet for the standard desktop scenario, and one for when the web pages are printed out, we could do:

Ngày tải lên: 07/08/2014, 17:21

... of form fields > Related Tags form, legend A form, allowing the sending of user-input data See Chapter 9, “Forms.” ... w3.org/1999 /xhtml Content One head and one body Example

Ngày tải lên: 07/08/2014, 17:21

... adverse effect it has on usability and accessibility • text and bgcolor—Text color and background color Not valid Use CSS color and background-color appendix CSS Reference T h i s C SS R e f e ... at-rules, and properties of CSS revision (with the exception of aural CSS) Specific chapters are highlighted for cross-referencing when there is relevant extended information (which there will be for ... tag, CSS text-align should be used • background —Background image Not valid Use CSS background-image • link, alink, and vlink—Non-visited, active, and visited link colors Not valid Use CSS :link,...

Ngày tải lên: 07/08/2014, 17:21

... • auto (default)—Does not force or forbid a page break • always —Always forces a page break 310  |  Appendix B: Css Reference • avoid —Forbids a page break • left—Forces either one or two page ... display, 49 shorthand properties, 55–56 styling form fields, 189 styling text, 48–49 footers, page layouts, 127–130 tag, 226–227 formats attributes, 207–208 images, 81 forms, 171–172 ... block box, forcing a new page box Not widely supported Possible values • inherit • auto (default)—Does not force or forbid a page break • always —Always forces a page break • avoid —Forbids a...

Ngày tải lên: 07/08/2014, 17:21

... guidelines for choosing a file format for images by type Table 7-1 Choosing the Right File Format for an Image File Format Best Used For Watch Out GIF Line art and other images with few colors and less ... already, we strongly urge you to use CSS for borders, positioning, and alignment for both text and images, and let (X)HTML the job it does best: represent and point to actual content 13_9780470916599-ch07.indd ... the best thing for navigation is to use text for button labels, and to let CSS handle the work involved in making buttons look good This comes in for further discussion in Chapter 20 on CSS3 ,...

Ngày tải lên: 14/08/2014, 12:20

... paged Braille printers handheld For handheld devices (such as those with a small screen, monochrome monitor, and limited bandwidth) print For paged, opaque material and for documents viewed onscreen ... a handle on using CSS ▶ Positioning objects on a page ▶ Creating font rules ▶ Creating style sheets for print ▶ Understanding aural style sheets U nderstanding the structure and syntax of CSS ... editing formatting information ✓ No more HTML documents cluttered with tags ✓ More options for formatting text (such as defining line height, font weight, and text alignment) and for converting...

Ngày tải lên: 14/08/2014, 12:20

... examples and details for two of the properties To read more about background properties and other CSS markup, visit the Best CSS Resources” section at the end of this chapter for additional information ... information you’re looking for Uses for Forms The Web contains millions of forms, but every form is driven by the same set of markup tags Web forms can be short or long, simple or complex, and ... form featuring various layout areas to help visitors easily search for tax forms and publications, online services, filing and payment information, task-oriented instructions, and general information...

Ngày tải lên: 14/08/2014, 12:20

... kind of information they need for the form If users need any information in their hands before they fill out your form, a form gateway page can detail everything users should have before they ... Extensions, a standard method to encode various document and data types for e-mail attachments and for HTTP; for more info see http://en.wikipedia.org/ wiki/MIME Form Frameworks Form frameworks ... teal-on-white for unvisited links and gray-onwhite for visited links Listing 16-1 displays the HTML and CSS required for this rollover effect Figure 16-1: A page with text rollovers handled with CSS 24_9780470916599-ch16.indd...

Ngày tải lên: 14/08/2014, 12:20