#promo-video{
    position: relative;
    width: 100%;
    height: 600px;

	background-image: url(../videos/main.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	background-size: cover;
}

@media screen and (max-width: 992px) {
    #promo-video{
        height: 450px;
		margin-bottom: 70px;

		background-image: url(../videos/main-mobile.jpg);
    }
}

@media screen and (max-width: 768px) {
    #promo-video{
        height: 350px;
    }
}

@media screen and (max-width: 480px) {
    #promo-video{
        height: 200px;
    }
}