Assuming the theme will never be updated ( see https://wordpress.org/themes/under-the-influence it’s been two years), make a backup and change these lines in ver 1.03:
wp-content/themes/under-the-influence/functions.php
Line 251
old:
, 'http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js');
new:
, '//ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js');
Line 335
old:
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js" type="text/javascript"></script>
new:
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js" type="text/javascript"></script>
Looks like you have the width problem under control with the site_width option.
I advise you to get the plugin Limit Login Attempts by the way. It is the one necessary plugin which should really be built into WP.