[feature/delete-auto-logins] improved styling and fixes language

Table ahs been styled. Date is now formatted properly instead of
the unix timestamp being displayed earlier. fixes small mistake in language
entry

PHPBB3-9647

phpBB/includes/ucp/ucp_profile.php

@@ -665,7 +665,7 @@ class ucp_profile
 
 						'KEY' => $row['key_id'],
 						'IP' => $row['last_ip'],
-						'LOGIN_TIME' => $row['last_login'],
+						'LOGIN_TIME' => $user->format_date($row['last_login']),
 					));
 				}