Hi , I am using google chart to display data and the height seems to be shrunk and not taking the full height unless i do a resize.

This is my code:

  print('<div class = "col-lg-4 col-md-4 col-sm-12">
<div class="card">');
        \koolreport\widgets\google\ComboChart::create(array(
            "title"=>$title,
            "name"=>$id_array[$opt-1],
            "dataSource"=>$data,
            "colorScheme"=>$color_scheme,
            "columns"=>array(
                "category",
                "value"=>array(
                    "label"=>$text_label[$opt]['first'],
                    "type"=>"number",


                ),

                "avg"=>array(
                    "label"=>$text_label[$opt]['second'],
                    "type"=>"number",
                    "chartType"=>"line",
                    "annotation"=>function($row)
                    {
                        return $row["avg"];
                    }

                ),
            ),
            "options"=>array(
                "series"=> array(
                    0=> array("targetAxisIndex"=> 0),
                    1=> array("targetAxisIndex"=> 1),
                ),
                "vAxes"=>array(
                    0=> array("title"=> $text_label[$opt]['first'],"gridlines"=>["color"=>"none"]),
                    1=> array("title"=> $text_label[$opt]['second'],"gridlines"=>["color"=>"none"],"format"=> $text_second_axis)
                ),

                "responsive"=>true,
                "maintainAspectRatio"=> false,
                "legend"=>array(
                    "position"=>'bottom'
                ),
            ),
        ));
        print("</div></div>");

What should i change?