Adaface Sample HTML/CSS Questions

Consider the following shorthand CSS example:
            
            background: #f7f7f7 url(jolie.jpg) no-repeat scroll 0px 0px;
            
            Which of the following show the individual background properties represented by the shorthand:

Our intern is writing a colorful blog post, and has written the following code. What colors will the sentences be?

A: Sentence 1 will be gray, Sentence 2 will be pink.
            B: Both sentences will be gray.
            C: Sentence 1 will be pink, Sentence 2 will be gray.
            D: Both sentences will be pink.
            E: The code does not make sense; will throw an error.

In the following HTML, what will be the color of link with class "mark"

Consider the following HTML and CSS:

Which additional CSS rule(s) will render the following image? Choose ALL that apply.

A:
            div{
              flex-direction : column;
              align-items : center;
            }

B:
            div{
              flex-direction : row;
              align-items: center;
            }

C:
            div{
              flex-direction: column;
              justify-content: center;
            }

D:
            div{
              flex-direction: row;
              justify-content: center;
            }