//print-style.css

@media print {
    .print-area {
        background-color: white;
        height: 100%;
        width: auto;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        z-index:1500;
        visibility: visible;
    }
    @page{
        size: portrait;
        margin: 1cm;
    }
/*IF print-area parent element is position:absolute*/
    .ui-dialog,
    .ui-dialog .ui-dialog-content{
        position:unset !important;
        visibility: hidden;
    }
}