Unless the machine at the viewing end has the same font, the end user will not see all your hard work. Instead choose sizes from the Style menu, here the style selected is Normal. I just leave the regular font at the default font. You can select Bold and Italic for text effects right from the tool bars. You can also go into the Format menu and change the text color if you wish.
People assume anything underlined is a link.
The Font Style is where most web font formatting comes from. The color changes here came from the use of the theme. To keep lines together, hold down the shift key while you hit the return key .