You are styling a box object on a page by using CSS3.
You need to set the transparency of the object to 50%.
Which two CSS3 styles will achieve the goal? (Each correct answer presents a complete solution.
Choose two.)
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Explanation:
Reference:
http://www.css3.info/introduction-opacity-rgba/