body{background:#fff;
margin:0;

}



#sticky_nav{

    height:100%;
    width:100%;
    background: url(../img/navigation_sticky_interior.png) no-repeat top center; 
       -webkit-background-size: contain;
  -moz-background-size: contain;
  -o-background-size: contain;
  background-size: contain; 
    display:none;
    top:-173px;
    left:0px;
    position:fixed;
    z-index:2;
}




#sticky_logo{


}




@media only screen and (max-width: 1500px) {
    .cover {
 opacity:1;
   top:0;
   height:100%;
    width:100%;
    
    background: #333 url(../img/cover.png) no-repeat center center fixed; 

  position:fixed;
        
    }
}