2. I don't think so. Could you show me how you tried to do it? I just tested it with "qmc2-black" and it works fine for me:

Code:
...
QTabBar {
    background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 rgb(128, 128, 128), stop:1 rgb(30, 30, 30));
    font: bold italic large "Times New Roman";
}
...

There is no plan for such a guide, mainly because there's the general Qt docs about it, but I agree that since there are some QMC2 internals you have to know in order to build a nice style sheet there's some potential for it. Well, when time permits and I'm bored I might add something to the wiki smile.

3. No, I meant if the path that's setup in the "arcade mode setup dialog" is the path that you expect?



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