.nu_modal{position:fixed;top:0;left:0;width:100%;height:100%;display:block;visibility:hidden;border:none 0;padding:0;margin:0;-webkit-box-sizing:border-box;box-sizing:border-box;background-color:transparent}
.nu_modal[open]{visibility:visible}
.nu_modal{opacity:0;-webkit-transition:opacity .2s,visibility .2s;transition:opacity .2s,visibility .2s}
.nu_modal[open]{opacity:1;-webkit-transition:opacity .2s;transition:opacity .2s}