I wanted to embed a YouTube video on my 404 page. I included the php script in my 404.php theme-file. It shows the video in Chrome, but it has big black borders. In Firefox, the video loads for 1/2 second and disappeares then.
I've cleared caches, looked in my theme files, but I found nothing strange. Can you help? Heres the link to my 404-page: http://www.applewerbung.de/404
Greetings, Apple Werbung