Here's a little challenge for the web developers among you!
I've developed a little webpage which contains absolutely nothing apart from a HTML comment. Yet this page isn't blank as you may expect – it's got text, images and rollover effects. The question is, how is it done?
You need to be using Mozilla Firefox or Opera 9 to view the demo.
Note: This challenge was originally developed 6 months ago but I have decided to post it again as the readership of the blog has increased significantly and I feel this may be of interest to readers.
Bet you sent a special html header using php which linked to a stylsheet which allowed you to insert images and text.
The answers below (only look if you can't figure it out on your own.. i don't want to ruin the answer for anyone.)
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If you look at the response headers for the page you will see the following line:
The css file that this calls then displays everything you see on that page.
http://cow.neondragon.net/stuff/nocode.css
(Heh, perhaps a spoiler tag is needed for your mysteries like this?)