CSS3 Basic Set 3

Which of the follow is the psuedo class for mouse over link

If you want to decorate all your table headers to green which of the following css code would you choose ?

Which of the following is correct when you want to apply in-line style of body to color the foreground to green

For a set of css rules which needs to be applied to multiple elements , which of the following is correct

Apply style background color to red and all text to be in uppercase of the div elements whose class atttribute is "box" , which of the following is correct
    css ?

Which of the following are allowed value for the background-repeat ?

Which of the following value is not acceptable for the property text-align ?