.background{position:absolute;width:100%;height:100%;top:0;left:0;z-index:-1;}.background span{width:100%;height:100%;position:absolute;top:0;left:0;color:transparent;background-position:50% 50%;background-repeat:no-repeat;z-index:0;}.background .parallax{background-attachment:fixed;}.background .cover{-webkit-background-size:cover;-moz-background-size:cover;-ms-background-size:cover;-o-background-size:cover;background-size:cover;}.background .contain{-webkit-background-size:contain;-moz-background-size:contain;background-size:contain;}.background .slides,.background .slides li{width:100%;height:100%;}.background-images img{display:none;}.background-images .controls{height:40px;position:relative;}.background-images .controls .flex-control-nav{height:100%;}.background-images .controls .flex-direction-nav a{z-index:110;}