#backdrop-element{background-color:#fafafa;background-image:url("http://nijiiro-camp.com/wp-content/uploads/2015/09/bg.png")!important;background-size:auto!important;background-repeat:repeat!important;background-position:top left;background-attachment:fixed!important;transform:translate3d(0,0,0);}#backdrop-element{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-10;width:100%;height:100%;}