Simple HTML/CSS questions: A. 6. Convert #ef78dc into its corresponding decimal value show work. Please do not convert the entire number, but put it in RGB format.

B. Provide a style rule too display h1 and h2 headings with a background color of yellow (full intensity of red and green with no blue) with opacity of 70%.

C. Provide a style rule to remove underlining from the hypertext links for all elements marked with the tag and nested within a navigation list.

D. Provide a style rule to display all unordered list using the star.png file, placed inside the containing box.

E. Write a code to color the 3^rd list item as magenta.