opacity =? module('xstyle/shim/ie-filter');
box-shadow  =? prefix, module('xstyle/shim/ie-filter');
transform =? prefix, module('xstyle/shim/ie-filter');
/*transition =? prefix, module('xstyle/shim/transition');*/
border-radius =? prefix;
box-sizing =? prefix;
border-image =? prefix;

/*hover: default, require(xstyle/shim/pseudo);
focus: default, require(xstyle/shim/pseudo);
disabled: default, require(xstyle/shim/pseudo);
checked: default, require(xstyle/shim/pseudo);*/