*{box-sizing:border-box}html{font-size:20px}body,html{width:100%;height:100%}body{font-size:12px;text-align:left}#invoice{width:100%;height:100%;position:relative;overflow:auto!important;overflow-x:hidden!important;background:#f0f1f2}#invoice #invoice-header{width:100%;height:44px;position:-webkit-sticky;position:sticky;top:0;z-index:1;text-align:center;background:#fff}#invoice #invoice-header .back{position:absolute;left:4px;top:6px;cursor:pointer}#invoice #invoice-header .title{line-height:44px;font-size:16px;font-weight:700;color:#3a3a3a}#invoice #invoice-header .right{position:absolute;right:16px;top:14px;font-size:16px;color:#3a3a3a;cursor:pointer}@media screen and (min-width:480px){#invoice{margin:0 auto;border-left:.5px solid #dcdcdc;border-right:.5px solid #dcdcdc}}