:not(:empty) CSS selector is not working?

Question

I\'m having a heck of a time with this particular CSS selector which does not want to work when I add :not(:empty) to it. It seems to work fine with any combina

Answer 1

It is possible with inline javascript onkeyup="this.setAttribute('value', this.value);" & input:not([value=""]):not(:focus):invalid

Demo: http://jsfiddle.net/mhsyfvv9/

input:not([value=""]):not(:focus):invalid{
  background-color: tomato;
}