DatePicker having a background

the problem is that my date picker having an ugly White background behind the date picker i just want that background to Disappear this is My code ``` public void selectDate(View view) { DialogFragment newFragment = new SelectDateFragment(); newFragment.show(Master_.fragmentManager, "DatePicker"); } public void populateSetDate(int year, int month, int day) { Birthdate.setText(year + "-" + month + "-" + day); } public class SelectDateFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener { @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Calendar calendar = Calendar.getInstance(); int yy = calendar.get(Calendar.YEAR); int mm = calendar.get(Calendar.MONTH); int dd = calendar.get(Calendar.DAY_OF_MONTH); DatePickerDialog dialog =new DatePickerDialog(mActivity,R.style.jehadStyle, this, yy, mm, dd); dialog.getDatePicker().setMaxDate(calendar.getTimeInMillis()); return dialog ; } public void onDateSet(DatePicker view, int yy, int mm, int dd) { populateSetDate(yy, mm + 1, dd); } } ``` and this is my style ``` <style name="jehadStyle" parent="@android:style/Theme.Holo.Light.Dialog.NoActionBar"> <item name="android:textColor">@android:color/black</item> </style> ```