When style in different locations conflict, which will take precedence?

In webkit, in order to set the transition duration you must first:

To change the state of a selector you must change its:

How would you add three columns to a page using CSS3

Pseudo-classes are used to represent ___________________.

True or False: With the implementation of CSS3, CSS1 and CSS2 are no longer needed.

In HTML5, how can you visually center this <div class="center">hi</div>?

Pick the INCORRECT selector

Which of the following transitions follows the correct format?

Which property is used to specify type faces ?

Do you have to use -webkit- for border images in CSS3?