52framework is a CSS framework which aims to provide an easy way to build websites using HTML5 & CSS3 while still supporting all modern browsers (including ie6).
It uses HTML5 tags like header, nav, section, article, footer or new input field types like url, email, etc. The framework also has a HTML5 compatible reset stylesheet.

How to use CSS3 today with safety to create visible effects in all browsers? Simple! Hiding it in jQuery! In this way your problem is just to know if the browser supports jQuery. Today we show yuo a useful list to learn to use CSS3 via jQuery but let’s start with some info and examples [...]

Similar to the IE6 situation, when using HTML5/CSS3 in our websites, it is a good idea to offer non-problematic outputs to web users with older/non-standard browsers.
Modernizr is a JavaScript library that uses feature detection techniques to determine whether or not the current browser is capable of CSS3 and HTML5 features like rgba(), border-radius, CSS Transitions [...]

Are you new to CSS? The initial process of learning this nifty language can be a little daunting, there’s so much to learn it can sometimes be difficult to figure out where to start. Luckily there’s plenty of valuable information and resources out there on the web that covers everything from the basics through to [...]

This article presents 7 New CSS3 techniques that every web designer and developer should be aware of. CSS3 for sure will leads to greater flexibility and make effects that was previously complex and difficult to create much easier. Unfortunately it is not currently all the leading browsers that support CSS3. In some cases other techniques [...]

Many exciting new functions and features are being thought up for CSS3: text-shadow, box-sizing, opacity, multiple backgrounds, border-radius, border-image, etc…
1. Border Radius: Create rounded corners
W3C has offered a very interesting option for borders in CSS3, of which one is border-radius. This CSS3 styling rule allows rounded corners to be set. Both Mozila/Firefox and Safari 3 [...]