.parallax {
	position: relative;
	&__body {
		display: block;
		background: url(../img/parallax.jpg) 0 0 / cover no-repeat;
		background-attachment: fixed;
		width: 100%;
		height: 400px;
		@media (max-width: $md3+px) {
			height: 300px;
		}
	}
}