为多个ID设置CSS类

Question

I have done the following:

#my-el .some-class {
    width: 10%;
}

That works but now I'd like to apply the same class to the element #my-new-el. I've tried:

#my-el #my-new-el .some-class {
    width: 10%;
}

But this does not work. What would be the correct syntax to achieve this ?

Answer 1

If .some-class only applies to descendents of #my-el and #my-new-el then you need to specify the two selectors in full, separated by a comma:

#my-el .some-class, #my-new-el .some-class  {
    width: 10%;
}