Does: not () negation accept descendant selectors?

Question

I used the pseudo-class for :not()styles without having to redefine it with a second unnecessary declaration to undo the first, but now I have come across strange behavior when Safari accepts a child selector in :not(), but Chrome does not.

I used something like a:not(.blue a).

I have been looking for answers, but I still do not quite understand the reason.
Is the child selector allowed by the specification?

Here is a demo:

a:not(.blue a) {
  color: red;
}

<div><a>this one should be in red</a></div>
<div class="blue"><a>this one shouldn't</a></div>

http://codepen.io/oscarmarcelo/pen/YqboQJ?editors=1100

Answer 1

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