WebReference.com's got a tutorial on how to make a professional-looking online photo gallery with thumbnails and rollovers using one HTML page and CSS ...

How do I learn to code in HTML and CSS on my Mac? Web design is one of the most useful skills you can learn, and it’s easy to learn HTML and CSS (the two main pillars of web pages) in Mac OS X.

This has worked rather well with the pixel based layout, however while delving into the details of moving to an em based layout, it seems to be common knowledge that scaling background-images ...