Bug 1817600 - Show NordVPN partnership as text link and image. More template fixes. r=me

lib/sidebar.tmpl

@@ -68,9 +68,10 @@
    END;
 
    IF template.name == "index.en.html";
-     "<span style=\"font-size: x-small\">\n";
-     "<a href=\"https://go.nordvpn.net/aff_c?offer_id=15&aff_id=81347&url_id=902\" target=\"_blank\">";
-     "\"Partnered with NordVPN\"</a></span><br>\n";
-     "<img src=\"/images/nordvpn-banner.png\" width=\"240\" height=\"240\">";
+     "<span style=\"font-size: x-small; text-align: center;\">\n";
+     "<a href=\"https://go.nordvpn.net/aff_c?offer_id=15&aff_id=81347&url_id=902\" target=\"_blank\">
+         Partnered with NordVPN</a></span><br>\n";
+     "<a href=\"https://go.nordvpn.net/aff_c?offer_id=15&aff_id=81347&url_id=902\" target=\"_blank\">
+         <img src=\"/images/nordvpn-banner.png\" width=\"240\" height=\"240\"></a>";
    END;
 %]