#bg:before {
background-image: linear-gradient(to top, rgba(19, 21, 25, 0.5), rgba(19, 21, 25, 0.5)), url("../../images/overlay.png");
			background-size: auto, 256px 256px;
			background-position: center, center;
			background-repeat: no-repeat, repeat;
}

#bg:after {
background-image: url("https://source.unsplash.com/1600x900/?vehicle");
background-position: center;
background-size: cover;
background-repeat: no-repeat;
}