WebPlus X6: Border on Facebook Widget

SM:HELPI have a facebook widget on the following website. I have tried setting the border to white, transparent, grey, and black. When I do, there are no changes.

I would like the border to be white, to blend in with the white background.

Any help is appreciated!SM:FONZ

Here is the site: http://preview-tasteofthecaribbean.c...solutions.com/