Josh (WP Edit) on "Background Image Doesn't Scale On Mobile Devices"

Try taking out the 'center center fixed' part.

background: url('http://www.agentrecommend.com/wp-content/uploads/2014/04/outsidelands.png') no-repeat;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;