Given a modal dialog with an ID = "modal1" and a button in the modal with a class name = "modal1-butlon1", which line(s) of code will click on the modal button?
A CSS rule-set consists of a selector and a declaration. The selector specifies which element(s) to style, and the declaration contains the property and the value which define how the element will be styled. Variables are not part of a CSS rule-set.
