.thank-you-page .container{background:#fff;box-shadow:5px 10px 18px #888;margin-top:50px;padding:30px}.thank-you-page .serial-box{border:3px dashed orange;width:400px}.thank-you-page .logo-custom{margin-bottom:10px}#spinner{background:rgba(0,0,0,.7);height:100vh;left:0;position:fixed;top:0;transition:opacity .2s;width:100vw;z-index:9999}#spinner img{left:50%;position:absolute;top:50%;transform:translate(-50%)}#spinner{opacity:0;visibility:hidden}#spinner.show{opacity:1;visibility:visible}