body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
        background-color: #FAFAFA;
        font: 12pt "Tahoma";
    }

* {
        box-sizing: border-box;
        -moz-box-sizing: border-box;
    }
    
.page {
        width: 210mm;
        min-height: 297mm;
        padding: 20mm;
        margin: 10mm auto;
        border: 1px #D3D3D3 solid;
        border-radius: 5px;
        background: white;
        box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    }
    .subpage {
        padding: 0;
        border: 5px black solid;
        height: 257mm;
        outline: 2cm #FFEAEA solid;
    }
    
    @page {
        size: A4;
        margin: 0;
    }
    @media print {
        html, body {
            width: 210mm;
            height: 297mm;        
        }
        .page {
            margin: 0;
            border: initial;
            border-radius: initial;
            width: initial;
            min-height: initial;
            box-shadow: initial;
            background: initial;
            page-break-after: always;
        }
    }

.rows {
   display: flex;
}

.card {
   border: 5px black solid;
   width: 95mm;
   min-height: 88mm;
   flex-grow: 1;
   margin: 0px;
}