im using datatables for my report, and enable print button on it, but the page that i print doesn't match with my report page. what should i do? here is the screenshot of my report:

this is my print result:

i want my printed report result has same layout & color

im using both print option like this:

"options"=>array(
                  "paging"=>false,
                  "searching"=>false,
                  "dom" => 'Bfrtip',
                  "buttons" => [
                      "excel", "print"                  // it has same result
                  ],
                  "buttons" => [                        // with this option
                    "excel",
                    [
                        "extend" => "print",
                        "customize" => "function(win)
                        {
             
                            var last = null;
                            var current = null;
                            var bod = [];
             
                            var css = '@page { size: portrait; }',
                                head = win.document.head || win.document.getElementsByTagName('head')[0],
                                style = win.document.createElement('style');
             
                            style.type = 'text/css';
                            style.media = 'print';
             
                            if (style.styleSheet)
                            {
                              style.styleSheet.cssText = css;
                            }
                            else
                            {
                              style.appendChild(win.document.createTextNode(css));
                            }
             
                            head.appendChild(style);
                     }"
                 ],
            ] 
            ),