@media(max-width:669px) {
	.mv-bg {
		background: linear-gradient(135deg,
				hsl(170deg, 25%, 20%),
				hsl(190deg, 45%, 30%),
				hsl(240deg, 25%, 20%),
				hsl(280deg, 45%, 30%),
				hsl(320deg, 30%, 60%));
		background-size: 500% 500%;
		-moz-background-size: 500% 500%;
		-webkit-background-size: 500% 500%;
		animation: bg-linear 60s infinite;
		height: 100%;
		width: 100%;
		position: absolute;
		top: 0%;
		left: 0;
		z-index: -1;
	}

	@keyframes bg-linear {
		0% {
			background-position: 0% 0%;
		}

		20% {
			background-position: 50% 0%;
		}

		40% {
			background-position: 0% 50%;
		}

		60% {
			background-position: 100% 0%;
		}

		80% {
			background-position: 0% 100%;
		}

		100% {
			background-position: 0% 0%;
		}
	}
}