opensourcepos/public/css/ospos_print.css

@media print {

    .no-print, .no-print *
    {
        display: none !important;
    }

    #receipt_wrapper, #table
    {
        /*background-color:#FFFFFF;*/
        font-size:75%;
    }

    .topbar
    {
        display:none;
    }

    #menubar, #footer
    {
        display:none;
    }

    #sale_return_policy
    {
        width:100%;
        text-align:center;
    }

    /* Hide links in table for printing */
    table.innertable
    {
        display: table;
    }

    table.innertable a
    {
        color: #000000;
        text-decoration: none;
    }

    table.report a.expand
    {
        visibility: hidden;
    }

    table.report a
    {
        color: #000000;
        text-decoration: none;
    }

    table.innertable thead
    {
        /*display:none;*/
    }

    .print_show
    {
        display:block !important;
    }

    .print_hide
    {
        display:none !important;
    }

    .fixed-table-container
    {
        border: none;
    }

    .fixed-table-container thead th .sortable
    {
        padding-right: 10px;
    }
}