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Talk given at DevCon 5 in Santa Clara: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.
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CSS3 & ADVANCED DESIGN
Paul Trani @paultrani [email protected]
• 15 years design experience • 4 year old at heart
Designer or Developer?
Examples
• Letter Heads
• Cursor Monster
• www.awwwards.com
Bene!ts of CSS3
Reduced Development and Maintenance Time
• Less images, Flash, JavaScript
• Streamlined markup
Increased Page Performance
• Smaller !le sizes
• Fewer HTTP requests
“Reducing the number of HTTP requests…is the most important guideline for improving performance for !rst 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
• Optimized styles based on device capabilities
• Real text
Browser Support
Progressive Enhancement
• Deliver the best possible experience to the widest possible audience.
• Should be as fully featured and functional as possible.
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
Creative CSS3
• RGBa & HSLa
• Gradients
• Rounded Corners
• Box Shadow
• Multiple Backgrounds
• @font-face
• Media Queries
• Visual Effects and Animation
{
Color
• RGBa (255, 255, 255, 0.5);
• HSLa (360, 100%, 50%, 0.5);
border-radius border-radius: 10px;
Gradients • Can be used in every place you can use an image
• background: linear-gradient(white, black);
• Pre!xes: – -webkit- Chrome and Webkit
– -moz- Firefox 3.6+
– -o- Opera 11.1 (linear only)
– -ms- IE 10
box-shadow box-shadow (horizontal offset,
vertical offset, optional blur distance, optional distance, optional color, optional inset)
text-shadow
@ font-face
Media Queries
CSS Media Queries for Mobile
• min-width
• max-width
• device-width
• min-device-width
• max-device-width
• orientation
• -webkit-min-device-pixel-ratio
CSS Media Queries
<link rel="stylesheet" type="text/css"
media="screen and (max-device-width: 480px)"
href="mobile.css" />
Transforms
Transforms – Transform Anything! opacity: 0.5; -webkit-transition-property: opacity; -webkit-transition-duration: 1s; -webkit-transition-timing-function: ease; opacity: 1;
h"p://lab.simurai.com/css/1lt-‐shi4
What’s Next
Adobe Edge
CSS Regions
CSS Shaders
• Slides posted at www.paultrani.com
• Flexible Web Design www.flexiblewebbook.com • Stunning CSS3 www.stunningcss3.com
• www.w3.org/Style/CSS/current-‐work • www.caniuse.com
Thank You
Hey. We’re hiring.