How to style Disabled Options in a form

Question

I\'m using a form with a drop-down menu that contains some options disabled, so the users cannot select them. I\'m trying to customize via css these elements but I have some

Answer 1

What you're looking for is this:

select option:disabled {
    color: #000;
    font-weight: bold;
}

Here, have a fiddle.

Attention: according to reports on the comments section, this solution does not work on OS X.