.video_bg_block {
	position: absolute;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 0;
	top: 0;
	left: 0;
}

.first_screen_bg {
	position: absolute;
	width: 100%;
	height: 100%;
	z-index: 0;
	top: 0;
	left: 0;
	background-size: cover;
	background-position: center;
}