glish is

On the Mac, though, the operating system specifies 72 pixels per inch, so one CSS pixel should be 20 percent smaller than a screen pixel. Opera is the only browser that does this according to the specification, but nobody noticed until its Mac version came out; the other browsers' behaviour fitted better with what designers wanted.

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The real solution is to let go of fixed-pixel design styles. They assume too much about the machines your users have. The Web is not the right medium for such attempts at control. People will view our content in many ways using many devices. It's time we let them do that.

One of the perennial problems that I see when examining ASP code is a failure to adequetely protect databases and applications from invalid user input. Often there is no handling. Sometimes there may be some client-side javascript. And only in the professionally developed applications is there some graceful handing of code failure built in.