[cue_func_selector_single_colon.html]
disabled:
if (os == "win"): https://bugzilla.mozilla.org/show_bug.cgi?id=1536762
if (os == "android"): https://bugzilla.mozilla.org/show_bug.cgi?id=1536762
fuzzy:
if (os == "mac") and swgl: maxDifference=1-1;totalPixels=208-208