The most important factor for designing a website more efficiently and effectively is CSS. CSS3 is slowly but surely creeping into mainstream web design, more and more designers are using it
It really is an exciting time for web design and for designers too. Here we focus on some CSS menu and navigation techniques that make use of the wonderful new properties that CSS3 also which makes the design more and more effective. Please bear in mind that for the most part these tutorials have not been written for usage in the wild, they are more experimental, a demonstration of what can be achieved and will be used in the near future.
All of the demos from these tutorials render perfectly well with Chrome and Safari, Firefox struggles with a couple and IE, rather surprisingly, rendered most of the demos better than expected.
jQuery Style Vertical Menu with CSS3 – No Javascript

CSS3 Based Dropdown Menu

CSS3 Based Horizontal Drop Line Tab Menu

View Tutorial
Apple’s Top Navigation Bar Using CSS

Recreating the OS X Dock with CSS

CSS3 Based Tabbed Area

Create a Slick Menu using CSS3

Tabbed Navigation Bar using CSS3

CSS3 Hover Tabs without JavaScript

Navigation with CSS Transitions

Create an Advanced CSS3 Menu

Accordion Using Only CSS3

Create the Accordion Effect Using CSS3

Use CSS3 to Create a Dynamic Stack of Index Cards

Source: SpeckyBoy
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