Reminder Secure
You have the option to default your forum post editor to one of the examples below: -

This is rich text, as you can see, it allows you more control over what the text in your post looks like.
Some of you may experience trouble using this if you have an older browser or you are using an Apple Mac, in which case you may prefer to default to the normal text version underneath this example.
rich Text Example
This is normal text, which does not allow you to have any control over how the text appears normal Text Example