If you are looking for a very decent workflow for developing responsive HTML5/CSS3 and optimizing as well, try out using Initializr to set up a sweet development starting point, then downloading and using HTML5 Boilerplate’s Build Script to optimize the files for better performance.
Impressivewebs is back with an updated CSS3 click chart, I posted about their previous version not too long ago. They said they would update the chart, and well, they just did. It is actually more than just an update, it has be revamped big time.
YAMB – Yet Another Mobile Boilerplate is a tool for responsive web design. This framework boasts an impressive set of built in tools and features, a great starting point for prototyping new projects and stepping into responsive design.
A super fast, minimal, no-nonsense CSS reference tool, developers and designers will find this great resource very handy. It boasts a live updating search feature that makes it very efficient and fast to seek out and find the syntax, browser support and many other details you want to know about. Definitely worth bookmarking.
Validation is one of those subjects where the opinions of developers will differ, some will say that it is absolutely important that code being used on live sites validate and some will say that validators don’t work properly.
While experimenting with all the new tasty awesomeness that is CSS3, you will unavoidably have to deal with our (as sohtanaka puts it) , red headed step child IE 6, as well as its younger brothers.
A really nice CSS3 showcase. Lea Verou has put together a really nice pattern gallery, with submissions from various creators and her own. Just click a pattern and the associated syntax appears like magic.