Problem video split on mobil phone

good Morning,

I have the following problem. when we look at our website on the mobile phone, the video is split / mirrored on the start page.

how do we manage that the video is displayed normally?

Many Thanks.

• This topic was modified 3 years, 7 months ago by Yui.
• This topic was modified 3 years, 7 months ago by Yui. Reason: redundant link(s) deleted

The page I need help with: [log in to see the link]