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Opera 12 displays a blue box while Chrome 21 and IE 9 show a red one. Another cross-browser incompatibility that we have to deal with...

• Foy 14y ago
  Yay Opera! Also, if you're really using >= 256 classes in your CSS you may have more systemic problems than just cross-brwoser compatibility.
  • duaneb 14y ago
    What base does Opera use for specificity?
    • lastorset 14y ago
      We use base 24, actually, but since we truncate before concatenating, we behave as expected here, unlike Gecko/WebKit. Obviously, a different TC that depends on one selector having more class names than another ("c" in CSS 2.1 6.4.3) will fail in Opera; it passes in GeckKit. See attachment at http://lists.w3.org/Archives/Public/www-style/2012Aug/0493.html http://lists.w3.org/Archives/Public/www-style/2012Aug/0493.h... for an illustration.
      • lastorset 14y ago
        Oops, should be base 25, obvs.
    • StavrosK 14y ago
      Probably a large one.
    • rplnt 14y ago
      That's the sad thing about closed source software. Their implementation might be drastically different. I think they should write a blog post or at least a comment here about it though, I'm going to bug them now.
• deleted 14y ago
  [deleted]
• rplnt 14y ago
  https://twitter.com/patrick_h_lauke/status/236030224528191488 https://twitter.com/patrick_h_lauke/status/23603022452819148... and from irc: "in other words, its the size of the storage which matters and not really the base, other browsers seem to use 8 bits, we use 16" @shwetank