Select the Button tool, and then do
any of the following:To edit the button’s properties, double-click the button.
To change the button’s appearance, click the button, and then specify options using the Properties toolbar. You can also change these appearance options in the Appearance tab of the Properties dialog box.
To align, center, or distribute the button with other form fields, or to resize or duplicate the button, right-click (Windows) or Control-click (Mac OS) the button, and then choose an option from the context menu.