The W3C CSS Validation Service

Semantics - Dive Into HTML5 You are here: Home ‣ Dive Into HTML5 ‣ Diving In his chapter will take an HTML page that has absolutely nothing wrong with it, and improve it. Parts of it will become shorter. Basic HTML: Adding Images (with updates by editorial staff) How To Add Images To Your Web Pages! By now you know enough to write a very nice, text-based home page, but it is the ability of the Web to provide pictures, technically called images, graphics, or sometimes icons, that has made it so popular. In this Primer, you'll learn how place an image on your page and also how to turn an image into a link to another page. Placing An Image On Your Page

AJAX, DHTML and JavaScript Libraries Today JavaScript is widely used by web developers. There are a lot of libraries to add special effects, simple way to implement Ajax, complex components, forms, tabs or everything else. Here’s a collection of Ajax, Javascript and DHTML Libraries. Prototype is a JavaScript Framework that aims to ease development of dynamic web applications. The Essential Guide to @font-face Fonts on the Web The days of being limited to a handful of fonts on the web are very close to being a thing of the past. The problem is no longer a lack of viable solutions, but rather, an abundance of them. Technologies like Cufon, sIFR, FLIR and @font-face all represent different groups of developers placing bets on what they believe to be the future of web typography.

Mac OS X Lion, /etc/hosts Bugs, and DNS Resolution Final Update: I’m working on a follow-up post, but thanks to all the comments, it seems that somehow during the Snow Leopard to Lion upgrade, the /etc/hosts file was encoded incorrectly (likely the type of newlines used), and that Lion would fail to read it properly. Please try to copy the contents of the /etc/hosts file, recreate the file, and paste to fix your problem. Update: I was still having problems with using .local for my development sites. After some extensive debugging and research I’ve found out some interesting things.

CSS Tools: Reset CSS The goal of a reset stylesheet is to reduce browser inconsistencies in things like default line heights, margins and font sizes of headings, and so on. The general reasoning behind this was discussed in a May 2007 post, if you're interested. Reset styles quite often appear in CSS frameworks, and the original "meyerweb reset" found its way into Blueprint, among others. The reset styles given here are intentionally very generic. color chart, codes, hexadecimal rgb values If you're looking for a 216 web safe color chart, you've come to the right place. However, before reviewing the chart, you may be interested in learning a little bit about the 216 web safe color codes. Netscape specified 216 colors that have precedence in web browsers based on the 256 colors displayed within an 8-bit system. As 40 colors displayed differently between PCs and MACs, they were eliminated. These 216 colors, known as web safe colors, are recognized by all web browsers and operating systems, which means these colors will look about the same within any browser.

50 Beautiful Flash Websites - Smashing Magazine Advertisement Flash enabled designers and developers to deliver rich content over the browsers, creating motion, interactivity and an impressive visual experience. Good Flash-sites do not require too much bandwidth, load fast and allow for a smooth interaction; besides, beautiful Flash-based sites are Photoshop masterpieces, transporting some kind of reality and fantasy to the Flash movie. In the showcase below we present 50 colorful, creative, interactive and beautiful Flash-based web-sites.