如何更改JQueryUI对话标题的颜色？

I want to change the background color of the JQueryUI Dialog. I used the following style to change it and it works. But the problem is it also effect, DatePicker Dialog Title. I only want to change the Dialog title not DatePicker title. Could you please advise me how I could change only the Dialog tile color? Thanks.I want to change the background color of the JQ