.parallax__container {
	clip: rect(0, auto, auto, 0);
	overflow: hidden;
	height: 100%;
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: -100; 
}
.parallax__container .parallax {
	/* can be put in a seperate class for better control */
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	/* --------------------------- */
	position: fixed;
	width: 100%;
	top: 0;
	transform: translate3d(0, 0, 0);
	transform-style: preserve-3d; 
}