Hi Russ,
If you’re only using three widget areas in the footer, these will get spaced out into three equal columns. If they look slightly unaligned, then it’s most likely due to the text content being left align and therefore leaving some space on the right side of the widget. If you want to change this, then you’ll need to add some styles specific to the widgets you’ve added to those sidebars.
You could, for example, add some css that would target footer .widget-area
but this would affect all the widgets in the footer. The actual widget that you add to each of those footer sidebars though will have it’s own class that you can target, for styling purposes. The best way to find out what that class is though is by using something like Firebeg (for Firefox) or Chrome Developer Tools (in Chrome). You’ll need to inspect the code and see what classes or ID’s the widget is using as it will depend on what you’ve added to your footer.