For all the wonderful features it provides, CSS does a surprisingly poor job of the fundamentals of page layout. But options for richer, more dynamic pages are on their way, as Peter Gasston explains
CSS spinner for modern browsers, built with Sass
browserübergreifend farbverläufe zusammenklicken
anzahl der zu ladenden grafiken reduzieren
JsFiddle is a playground for web developers, a tool which may be used in many ways. One can use it as an online editor for snippets build from HTML, CSS and JavaScript. The code can then be shared with others, embedded on a blog, etc. Using this approach, JavaScript developers can very easily isolate bugs. We aim to support all actively developed frameworks - it helps with testing compatibility.
With this bookmarklet you can click a html element and get and edit an XPath/CSS Path expression to it.