Fullscreen Autoplay Video Sample Code

This code may not work in any version of Internet Explorer.

Code:

CSS:
.container { margin: 0; }
.content { padding: 0; }
.headline { display: none; }
video { display: block; }
video#fullscreen{
position: fixed;
top: 50%;
left: 50%;
min-width: 100%;
min-height: 100%;
width: auto;
height: auto;
z-index: -100;
-webkit-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
background: url(polina.jpg) no-repeat;
background-size: cover;
}

@media screen and (max-device-width: 800px) {
#fullscreen {
display: none;
}
}