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CSS3

CSS3. http://www.css3.info/ https://browserlab.adobe.com http://www.w3.org/TR/2001/WD-css3-roadmap-20010523/ None of the CSS3 modules are complete. Developers already including elements of CSS3 even though it is not finished. Your pages do not have to look the same in every browser.

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CSS3

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  1. CSS3 • http://www.css3.info/ • https://browserlab.adobe.com • http://www.w3.org/TR/2001/WD-css3-roadmap-20010523/ • None of the CSS3 modules are complete. • Developers already including elements of CSS3 even though it is not finished. • Your pages do not have to look the same in every browser. • BUT ensure that your websites work for all site’s visitors.

  2. Child Selectors Source: McFarland, D.S. (2009), CSS: The missing manual, O’Reilly.

  3. Child Selectors Beginning with second item select every 4th items Source: McFarland, D.S. (2009), CSS: The missing manual, O’Reilly.

  4. Child Selectors table tr:nth-child(odd) { background-color: #efefef; }

  5. Multi-column layout -moz-column-width: 13em -webkit-column-width: 13em -moz-column-gap: 1em -webkit-column-gap: 1em; -moz = Firefox -webkit = Safari Number of columns will vary based on width of browser window.

  6. Multi-column layout -moz-column-count: 3 -moz-column-gap: 1em -moz-column-rule: 1px solid black -webkit-column-count: 3 -webkit-column-gap: 1em -webkit-column-rule: 1px solid black; Number of columns will be 3, gap 1em, with black border

  7. Opacity Makes any element partially transparent a img { opacity: .5; filter: alpha(opacity=50); } a:hover img { opacity: 1; filter: alpha(opacity=100); } IE Used here with the Hover pseudo-class All descendent tags inherit the property. Source: McFarland, D.S. (2009), CSS: The missing manual, O’Reilly.

  8. RGBA Alpha Red, Green, Blue, Alpha .footer { background-color: rgba(70,80,212,.75); }

  9. Fonts @font-face { font-family: Lavoisier; src: url('lavoisier.otf'); } h1 { font-family: Lavoisier, Arial, Helvetica, sans-serif; color: #FF993E; font-size: 48px; } open type (.otf) or true type (.ttf) | IE embedded open type (.eot)

  10. Pseudo-elements p:before { content: “HELLO World!"; } ul li:first-child:after { content: " | HELLO World!";} ul li:nth-child(odd):after { content: " | HELLO World!";}

  11. Template layout module • Can use letters to define a page’s basic structure. • Divides the page into two rows: • top row aaa being one unit • bottom row bcd being three units or columns: body {display: “aaa” “bcd”;} #head {position: a } #nav {position: b } #adv {position: d } #body {position: c } http://a.deveria.com/?p=236 http://code.google.com/p/css-template-layout/ Source: McFarland, D.S. (2009), CSS: The missing manual, O’Reilly.

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