There are two tasks in the above task:
1.To set the first and final fall bacak fonts to Garmond and serif.
(which i did by using:
font-family:Times New Roman, 'Garmond',serif;
u can this code in the given link)
2.Next, set the first fallback font of the paragraph to Arial, and set the final fallback font to sans-serif
(when i tried to achieve this task it is showing an error and i have tried few differnt types which resulted in nothong.)
Did you forget the link?
Usually when you make changes in the properties and nothing happens, the first guess is that the property is being overruled. We must have the complete source to the page or a minimal test case.