A while back, I blogged about CSS Transparency techniques, describing two methods for incorporating Transparent elements into your design. You can also introduce transparency by using PNG format images. Unlike GIF images, which are either "on" or "off" in terms of opacity, PNG images support full alpha transparency. This means each pixel can display a subtle range of tones from 0 to 255. There are many ways to create transparent PNG images. If all you need is a plain transparent block to use...

Excerpt only. For the full posting and related links, visit Random Bytes, the WebLens Blog.