Specify simple or complex notation for :not() pseudo-classes.
a:not(.foo, .bar) {}
/** ↑
* This notation */In Selectors Level 3, only a single simple selector was allowed as the argument to :not(), whereas Selectors Level 4 allows a selector list.
Use:
"complex"to author modern Selectors Level 4 CSS"simple"for backwards compatibility with older browsers
The fix option option can automatically fix most of the problems reported by this rule.
string: "simple"|"complex"
The following patterns are considered problems:
:not(a, div) {}:not(a.foo) {}The following patterns are not considered problems:
:not(a):not(div) {}:not(a) {}The following pattern is considered a problem:
:not(a):not(div) {}The following patterns are not considered problems:
:not(a, div) {}:not(a.foo) {}:not(a).foo:not(:empty) {}