Which of these is NOT a valid css3 pseudo class?

To make an element move fast or slow what property must you change?

The concept of designing a site which retains its meaning and functionality, even when certain (usually older) browsers cause display faults, is called...

Which of these properties does not exist?

In CSS, > is called a:

To set the clipping region of an element use:

What are different ways to apply styles to a Web page?

To remove the underline from an href use:

Can you expand the width of an element with a hover action in transitions in CSS3 or only other elements?

How do you add a comment in CSS?

True or False: In CSS3, one can add multiple background images.