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The CSS classes that are used for buttons are: .lfFormBtn describes the Print button. .lfFormFieldButton describes a button on a form field. .lfPageNavigation describes a Back and Next page navigation buttons as a group. .lfFormActionSubmitBtn describes a Submit button. .lFormActionBtn describes a button a user creates, such as a Save Draft button. .lfFormActionCancelBtn describes a Cancel button. .lfFormBackBtn describes the Back page navigation button. .lfFormNextBtn describes the Next page navigation button.