paper.css

/*  Styling based on paper-css by cognitom (https://github.com/cognitom/paper-css)
    With modications necessary for NxTx
    License: MIT */

@page { margin: 0 }
body { margin: 0 }
.sheet {
    margin: 0;
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
    page-break-after: always;
}

/** Paper sizes **/
.nxtx-root.A3               .sheet { width: 297mm; height: 419mm }
.nxtx-root.A3.landscape     .sheet { width: 420mm; height: 296mm }
.nxtx-root.A4               .sheet { width: 210mm; height: 296mm }
.nxtx-root.A4.landscape     .sheet { width: 297mm; height: 209mm }
.nxtx-root.A5               .sheet { width: 148mm; height: 209mm }
.nxtx-root.A5.landscape     .sheet { width: 210mm; height: 147mm }
.nxtx-root.letter           .sheet { width: 216mm; height: 279mm }
.nxtx-root.letter.landscape .sheet { width: 280mm; height: 215mm }
.nxtx-root.legal            .sheet { width: 216mm; height: 356mm }
.nxtx-root.legal.landscape  .sheet { width: 357mm; height: 215mm }

/** Padding area **/
.sheet.padding-10mm { padding: 10mm }
.sheet.padding-15mm { padding: 15mm }
.sheet.padding-20mm { padding: 20mm }
.sheet.padding-25mm { padding: 25mm }

/** For screen preview **/
@media screen {
    body { background: #e0e0e0 }
    .sheet {
        background: white;
        box-shadow: 0 .5mm 2mm rgba(0,0,0,.3);
        margin: 5mm auto;
    }
}

/** Fix for Chrome issue #273306 **/
@media print {
    .nxtx-root.A3.landscape                 { width: 420mm }
    .nxtx-root.A3, .nxtx-root.A4.landscape  { width: 297mm }
    .nxtx-root.A4, .nxtx-root.A5.landscape  { width: 210mm }
    .nxtx-root.A5                           { width: 148mm }
    .nxtx-root.letter, .nxtx-root.legal     { width: 216mm }
    .nxtx-root.letter.landscape             { width: 280mm }
    .nxtx-root.legal.landscape              { width: 357mm }
}

@media print { .no-print { display: none } }
.error      { color: red }
.warning    { color: darkorange }
.no-errors .error   { display: none }
.no-errors .warning { display: none }