On which position value does the z-index property work?

Which of the following is the correct syntax for a pseudo-class?

____________ properties provide several options to place the content on the web page.

What is text-align set to each line when text is stretched so that every line has equal width, and the left and right margins are straight?

What is true about image sprites?

Which of the following specifies the type of list-item marker?

What do you need to change in order to visually modify a button on mouseover?

What is the correct way to write short hand to this statement below background-color: blue; background-image: url("http://example.com/img.png"); background-repeat: no-repeat;

which code is in correct format?

Which property would you use to change the color of the text?

what is the default value of z-index?