Not CSS selectors

Question

Is there some kind of \"not\" CSS selector?

For example when I write the following line in my CSS, all input fields inside an tag with class classname will

Answer 1

I think the closest you can get is to only affect direct descendants with a declaration

This code for example will only affect input fields directly under divs with class "maincontent"

div.maincontent > input {
  // do something
}