By default, Referral Factory's easy-to-install widget hovers in the bottom, right-hand corner of your website or web app. If you would like to change the position of the widget, for example, to hover on the left-hand side of your webpage or web app, you will need to edit the styling built into the ready-to-use script yourself.
You could also make use of Referral Factory's referral program pop-up rather than the widget as this option gives you the freedom to configure your own button or trigger.