Background Bottom Margin

The slider works great however, it is also viewable below my footer which i do not want. Ive tried two different ways of creating a footer and both result in the background image viewable below it. How do I stop this?

dronesuk.uk

https://wordpress.org/plugins/responsive-full-width-background-slider/