@media print {
    .invoice {
        padding: 0;
        margin: 0;
    }

    .invoice .page-header {
        font-size: 16px;
        margin-bottom: 5px;
    }

    .invoice h1 {
        font-size: 26px;
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .invoice h2 {
        font-size: 22px;
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .invoice h3 {
        font-size: 18px;
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .invoice h4 {
        font-size: 14px;
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .invoice .lead {
        font-size: 16px;
        margin-top: 0;
        margin-bottom: 5px;
    }

    .invoice h3.lead {
        font-size: 16px;
        border-bottom: 1px solid #e3e3e3;
        margin-top: 5px;
        margin-bottom: 5px;
        padding-bottom: 3px;
    }

    .invoice .span-center {
        font-size: 10px;
        margin: 0;
        width: 100%;
        display: block;
        text-align: center;
    }

    .invoice .well {
        font-size: 15px;
        margin-top: 5px;
        margin-bottom: 0;
    }

    /* ocultar en impresion botones y demas de datatables */
    .dt-buttons, .dataTables_filter, .dataTables_paginate {
        display: none;
    }
}