You can format the background and height of the title bar.
Open the document in Design or Editable Mode.
Right-click the panel stack to format and select Properties and Formatting. The Properties dialog box opens.
If the panel stack does not yet have a title bar, select General on the left. Then select the Show Title Bar check box and click OK.
To specify the height of the title bar:
From the left, select Layout.
Specify the height of the title bar in the Fixed at field in the Title height area.
To format the background fill of the title bar:
From the left, select Color and Lines.
From the first drop-down list, select Panel Stack. From the second drop-down list, select Body.
Choose one of the following. As you make changes, the Sample area changes to show a preview of your selections.
To use a single color as the background, under Fill, select a color from the Color drop-down list. Click More Colors to access additional colors.
To shade the title bar using gradient colors, which combine two colors, see Formatting the background of a panel.
To allow what is behind the title bar to show through, set the Fill color to No Color.
Click OK to apply the changes.