Quote Originally Posted by gjh42 View Post
background-color: #000000;


Any background-color beside transparent is not transparent. If you delete the background-color property, it will default to transparent.

You also need to check background: and background-color: properties for other page elements, especially #mainWrapper, #headerWrapper, #contentMainWrapper, etc.
i

Thanks for your answer!
So I have to delete background-color,right?
Ok I will try,let's see!