There is a tool bar above where you are typing, click on it and it will do the work for you.

B= Bold
i= italic
u= underline

If you want the link to work then click on url that way people can click on link that is displaying on board.

Once you click on what you wanting your message to look like, click on preview and see if you are stratified? Nope, well you are going have to work on it to fix it. Satisfied? ok then click on submit.

Size? no problem, just click on normal and I usually click on "Large".

Font color, click on that button and it will give you a variety of color to pick from.

Happy posting :D