I have a thin white line between a black image and a div with a black background on a page with the body background set to white. I have tried setting `border: 0 !important`amongst other things but I just can't get rid of it.

[![site header](https://i.stack.imgur.com/c14rW.png)](https://i.stack.imgur.com/c14rW.png)

Is there anyway of removing this?