.ui-panelgrid.ui-panelgrid-blank .ui-panelgrid-content.ui-widget-content, 
.ui-panelgrid.ui-panelgrid-blank .ui-panelgrid-header.ui-widget-header,
.ui-panelgrid.ui-panelgrid-blank .ui-panelgrid-footer.ui-widget-header,
.ui-panelgrid.ui-panelgrid-blank .ui-panelgrid-header > tr.ui-widget-header, 
.ui-panelgrid.ui-panelgrid-blank tbody > tr.ui-widget-content,
.ui-panelgrid.ui-panelgrid-blank tbody > tr.ui-widget-content > td.ui-panelgrid-cell,
.ui-panelgrid.ui-panelgrid-blank .ui-panelgrid-footer > tr.ui-widget-footer {
    background: none !important;
    border: 0 none !important;
}