html{position:relative}.pri-background-container{overflow:hidden;top:0;left:0;width:100%;height:100%;z-index:-1}.pri-background-container-absolute,.pri-background-container-scroll{position:absolute}.pri-background-container-fixed{position:fixed}.pri-background-size{position:absolute;top:0;left:0;width:100%;height:100%}.pri-background-slider{position:absolute;width:100%;height:100%}