Background video only work in edit mode

Hello,
I was installing the template from the ground but it the background video only works on the edit mode as you can see here:

Edit Mode:
https://gyazo.com/715d1cf1377a0db658d053cef45b28c9

Normal Mode:
https://gyazo.com/0a9d4ef90f408cd987f36e9c3559d197

Does anyone know a solution for this problem?

Thanks for the help.