Layer Slider Not Responsive

Hi –

I am using the following theme:
http://themeforest.net/item/fitnessgym-wordpress-sportfitness-theme/6961701

and I cannot get the Layer Slider to be responsive. The layer text and button layers are showing up directly behind my logo and navigation menu on a mobile device.

The URL is:

http://www.jamieeasonfitness.com

Any suggestions? The theme developer is no help and I wondered if anyone else experienced these issues.

Thanks,

Bryan