Please find below the steps to align the footer
1) Login to the Smartech panel
2) Click on Campaigns->Email 2.0
3) Edit the campaign for which footer need to be added.
4) Go to Content Section of the campaign->Add footer->Drop Down will appear on the Right side where the footer names will be visible
5) Select the one which is required and it will appear on the centre by default.
6) To change the alignment use the below code
footer<center>[UNSUBSCRIBE]</center>