To help developers serve a specific style sheet to a specific browser, some form of browser sniffing or detection is needed. For Internet Explorer a conditional comment can be used, but this experiment facilitates delivery of style sheets for Opera — and others — as well.
Get the PHP, source. Go to back to the Mike’s Experiments index.
Not listed yet, huh? Please send me the data shown in the box below.
No listing means your users will get the default style sheet.