21.
What will happen in this case?
p strong {background-color: yellow;}

22.
A similar rule called the ____________ is specified using the plus sign (+) and is used to select elements that would be siblings of each other.

23.
Which of the following selectors selects any tag with an id attribute set?

24.
Which of the following selectors selects direct descendents?

25.
Which of the following selectors selects siblings?