Gap at top of page

Hi Guys,

My page was working fine, not sure what’s happened after updating the theme but hoping you can point me in the right direction. I’ve placed a slider on the page, and all I want is for it to sit at the very top of the page with the navigation bar and logo overtop. As you can see, there’s a large white bar and then the slider itself.

I found something online that suggested the following custom css line which I’ve applied with no luck:

.rev_slider_wrapper {
margin-top: -20px !important;
}

Anyways, the site is at http://www.thelostcanuck.com and I’d appreciate any advice you may have.

Thanks,

Steve