jQuery SIFR reads the style of a selector directly from the CSS. So there is no need to configure this manually as you would in vanilla SIFR.
sIFR.replace(futura, {
selector: 'h1',
css: '.sIFR-root { background-color: #F9F9F9; color: #FF0000; }' // <---
});
I looked through the SIFR3 docs, but I can't find a command that achieves this. Is it possible to make SIFR3 look at the stylesheet directly?
Not without coding for it. This is because sIFR also takes a few non-standard CSS properties that are send to Flash. The jQuery port skips over a lot of these more subtle things.