.page-header, .page-header-space {
    height: 100px;
}

.page-footer, .page-footer-space {
    height: 50px;
}

.page-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    border-top: 1px solid black; /* for demo */
    background: yellow; /* for demo */
}

.page-header {
    position: fixed;
    top: 0mm;
    width: 100%;
    border-bottom: 1px solid black; /* for demo */
    background: yellow; /* for demo */
}

.page {
    page-break-after: always;
}

@page {
    margin: 20mm
}

@media print {
    thead {
        display: table-header-group;
    }

    tfoot {
        display: table-footer-group;
    }

    button {
        display: none;
    }

    body {
        margin: 0;
    }
}