[Fonts] tab ("Option" dialog box)

[Font] group

Used to specify a font in the edit field.

[Proportional font] box

Used to specify a font for normal text and headings.

[Fixed Font] box

Used to specify a font for text that uses a preformatted fixed font.

[Font Size] box

Used to specify a font size.

The type and size of a font specified here are the settings in the edit field of Homepage Builder. Thus, even though you change a font here, there is no effect in the browser display, since the browser has its own font settings.