Hey Shane,

That is because in the "editor", your Joomla template's styling is not rendered. However, on the front end, your Joomla template's styling is rendered and this is why the font properties are being altered.

If you take a look at the screen shot here, http://screencast.com/t/4ZlBvb5A7abe , you'll see that your Joomla template is resetting the styles.

The only way to reset back the resets that your template provider added is to add the block of css codes below into your template's css file.