CSS elements specified in a stylesheet should always end with ___________.

What would 'p:first-child' be an example of?

To set opacity of the background of an element, use:

What property is used when creating custom fonts?

How would you cause an element to acquire the font-family of its parent element?

Which one is correct way to give margin to an element?

backface-visibility:hidden; will this property hide the back side when an element is rotated?

If you are using the white-space-collapse property with value collapse, what will be the output of the following string? John leads his team to the victory, but fails to reach the finals.

What is the range of values (in decimal notation) that can be specified in the RGB color model?

What will happen if the following style declaration is applied to an element? p { margin: 3em 2em }

What is the initial value of the marquee-speed property?