CSS3 have more exciting features which are most compatible for cross browser usability as we using famous internet browsers: Internet Explorer 7 & 8, Firefox, Safari and chrome, they all very supporting of new CSS3 properties. There are many tutorials and resources  for the CSS3.  It is essential for a web designer/developers to know about CSS3.

CSS3 Resources

Get Started with CSS 3 (Webmonkey)

Introduction to CSS3 – Part 1: What Is It? (Design Shack)

HTML 5 and CSS3: The Techniques You’ll Soon Be Using (Nettuts+)

Get the Best out of CSS3 (.net Magazine)

A Look at Some of the New Selectors Introduced in CSS3 (Inspect Element)

CSS3 Cheat Sheet in PDF (Smashing Magazine)

The Fundamental Problems with CSS3 (Matt Wilcox)

CSS3 Roadmap (W3C)

Six Questions: Eric Meyer on CSS3 (SixRevisions)

Structural CSS3 (Javascript Kit)

CSS3 Tutorials

5 Techniques to Acquaint You With CSS 3 (Nettuts+)

Take Your Design To The Next Level With CSS3 (Smashing Magazine)

Slide Down Box Menu with jQuery and CSS 3 (Codrops)

Related Posts Slide Out Boxes with jQuery and CSS3 (Codrops)

Contextual Slideout Tips with jQuery and CSS3 (Tutorialzine)

Creating a Neon Blink Effect in Your Forms Using CSS3 and jQuery (Code Pal)

CSS3 Dropdown Menu (Web Designer Wall)

CSS3 Only Tabbed Area (CSS Tricks)

Better Page Corner Ads with CSS3 Transform (Impressive Webs)

CSS3 Minimalistic Navigation Menu (Tutorialzine)

How to Create a Cool Slide Out Panel with CSS3 Only (1st Web Designer)

How to Change Default Text Selection Color (Design Juices)

An Awesome CSS3 Lightbox Gallery with jQuery (Tutorialzine)

CSS3 Selectors Explained (456bereastreet)

11 Classic CSS Techniques Made Easy with CSS3 (Nettuts+)

Recreating the OS X Dock (Zurb)

How to Create a “Stay-on-Top” Menu with CSS3 and jQuery (1st Web Designer)

Progeressive Enhancement With Css3 (dev.Opera)

Going Nuts with CSS Transitions (24 Ways)

CSS3 Embedding @font-face (Zen Elements)

CSS3 Multiple Coloumns (Zen Elements)

3 Easy and Fast CSS Techniques for Faux Image Cropping (CSS Globe)

Halftone Navigation Menu with jQuery & CSS3 (Tutorialzine)

Sweet AJAX Tabs with jQuery 1.4 & CSS3 (Tutorial Zine)

Swet Tabbed Navigation Using CSS3 (Marco Folio)

How to Create Depth and Nice 3D Ribbons Using CSS3 (PV.M Garage)

Use CSS3 to Create a Dynamic Stack of Index Cards (DesignLovr)

Design a Prettier Web Form Using CSS3 (Nettuts+)

Rounded Corner Boxes the CSS3 Way (24 Ways)

Super Awesome Buttons with CSS3 and RGBA (Zurb)

Liquid Faux Columns with Background-Size (CSS3.info)

CSS3 Colors, Today (Lea Verou)

CSS3 Borders (CSS Portal)

An Analog Clock Using Only CSS3 (Paul Hayes)

CSS3 Fundamentals: CSS3 Transitions (Nettuts+)

CSS3 and Flexible UI: Avoid Re-cutting UI Graphics for Mobile (Sean Martell)

Coding a CSS3 and HTML5 One-Page Website Template (Tutorial Zine)

CSS3 Opacity: Transparency of an Element in CSS (Flepstudio)

How to Create a Pure CSS Polaroid Photo Gallery (Line25)

3D Cube Using New CSS3 Transformations (Ajaxian)

The CSS3 ‘box-sizing’ concept (James Hopkins)

Awesome Overlays with CSS3 (Zurb)