@viewport {
	width: device-width;
}

video {
    display: block;
    margin: auto;
    width: 100%;
    height: 50%;
}


@media only screen and (min-width: 768px) {
	video {
        width: 75%;
    }

}

@media only screen and (min-width: 1024px) {
	video {
        width: 50%;
    }

}