update tabutils style

_keysnail.js

@@ -184,7 +184,8 @@ ext.add('my-setpref', function(){
             "extensions.saveimageinfolder.general-fileprefixvalue":"%yyyy%%MM%%dd%-%hh%%mm%%ss%_",
             "extensions.saveimageinfolder.usecache":true,
             "extensions.tabutils.openTabNext":1,
-            "extensions.tabutils.styles.current":"{\"bold\":false,\"italic\":false,\"underline\":true,\"strikethrough\":false,\"color\":true,\"colorCode\":\"#EEEEEE\",\"bgColor\":true,\"bgColorCode\":\"#000000\",\"outline\":false,\"outlineColorCode\":\"#000000\"}",
+            "extensions.tabutils.styles.current":"{\"bold\":true,\"italic\":false,\"underline\":true,\"strikethrough\":false,\"color\":true,\"colorCode\":\"#000000\",\"bgColor\":false,\"bgColorCode\":\"#000000\",\"outline\":false,\"outlineColorCode\":\"#000000\"}",
+            "extensions.tabutils.styles.unread":"{\"bold\":false,\"italic\":false,\"underline\":false,\"strikethrough\":false,\"color\":true,\"colorCode\":\"#CC0000\",\"bgColor\":false,\"bgColorCode\":\"undefined\",\"outline\":false,\"outlineColorCode\":\"undefined\"}",
             "extensions.yass.edgetype":0,
             "extensions.yass.selectedpreset":"red",
             "font.default.x-western":"sans-serif",