I need som help

[Lottis]

As a newbee i am, id did a majour mistace.
I was supposed to add a new skin type and instead og add it as a child style. I merged it into Default style.
This makes a conflict with the childs style.
There is one black stripe that follows it all around no mater what i do.
I tried to upload the XML file fore Default, but the darn black strip will not go away.

Any tips fore me?