Which of the following is true about this style? border-width: thin medium thick 3px;

Which of the following selectors is the MOST efficient?

With regards to the cascade effect of CSS, when does the order of css style rules matter most?

How do you select all the first <p> elements that immediately follow a <h2> element?

Which of the following declarations is incorrect?

Which of the following is NOT valid.

In which position will be calculated from that exact spot in the middle of your page where it was added?

Which vertical-align value is not correct?

What is the default value of position: ?

What is the adjacent sibling selector?

What is the effect of using a negative number in a padding declaration? Example: p {padding-top: -10px;}