Joomla! Template ET Ads - Item Support

Hello
When I assign a single post to a menu item, the call always appears above the article of the Menuename and below it a light gray line.
In the actual article there is a white symbol, welces the text in the upper left overwrites.
How can I make both?
http://d2018b.cs-fahrzeugtechnik.de/anfahrt-kontakt/datenschutzerklaerung

or

http://d2018b.cs-fahrzeugtechnik.de/power-tuning

Do you need your Adminzugang?
Hello
In the desktop version, the animation of the Quix pages works with the Scrolen.

On the iphone and ipad does Not.
Where can I activate it?
Thank you in advance

http://d2018b.cs-fahrzeugtechnik.de
hello, I have another problem.

The website always starts in the English version

Source Code Snippet

<!DOCTYPE html>
<html prefix="og: http://ogp.me/ns#" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-gb" lang="en-gb" dir="ltr">
<head>

I have for hours tried to change this via the menus and settings... without success

I have Adminzugang for you. The site is not yet officially ONLINE. And I have dicherheitshalber a backup:
http://d2018b.cs-fahrzeugtechnik.de/administrator
User: asadmin
Password: asasmin
Item Name:
ET Ads
Downloads:
70
Sales:
3
Created:
2018-05-02
$29.00 $23.10
Regular License
This item may be used for a single domain only.
$39.00 $31.20
Extended License