What Does the Following CSS Rule Do

Multiple Choice

What does the following CSS rule do
) note { font-size: 1.5em }

A) It calls the method note for all objects with the argument of 1.5 pixels.
B) It multiplies all text element font sizes with the value 1.5.
C) It multiplies all text element font sizes within < style > tags by 1.5.
D) It multiplies all text element font sizes with class = "note" by 1.5.