Delight the user with what’s available, and not moan about what isn’t or make the experience terrible for those without.
Modify header. We have long had the opacity property, which is similar, but opacity forces all decendant elements to also become transparent and there is no way to fight it (except weird positional hacks <http://css-tricks.com/non-transparent-elements-inside-transparent-elements/> ) Cross-browser opacity <http://css-tricks.com/css-transparency-settings-for-all-broswers/> is also a bit sloppy.http://24ways.org, http://css-tricks.com/text-blocks-over-image, www.marcofolio.net/css/sweet_tabbed_navigation_using_css3.htmlHue is derived from a degree on the color wheel: 0 & 360 being red, around 120 for the greens, 240 for the blues and everything else in betweenSaturation is a percentage: 0% being grayscale and 100% in full colorLightness is a percentage: 0% is dark, 50% the average and 100% the lightest
The power of the web has arrived for mobile phones and tablets. CSS3 gives web sites a dynamic, interactive capability and greater useability. CSS3 adds fine grained controls for designers looking to bring the web closer to reality.
Examples www.awwwards.com Letter Heads Cursor Monster Fish Burst Game
Increased page performance Smaller file sizes Fewer HTTP requests “Reducing the number of HTTP requests…is the most important guideline for improving performance for first time visitors.” Yahoo! Exceptional Performance Team
Better search engine placement Google uses speed as ranking factor Real text instead of image or Flash text
Increased usability Real text Optimized styles based on device capabilities
Use the parts of CSS3 that: have generally stable syntax have good support don't harm non-supporting browsers by their lack. http://caniuse.com “Subtle CSS3 effects should be employed as a reward for users who run a modern browser.”- Front-End Development Guidelines, Yahoo