body {
	background: linear-gradient(-45deg, rgba(255,0,0,0), rgba(205,0,0,0.8)),
	url("bg-color.png");
	-webkit-animation: gradient 45s ease infinite;
	        animation: gradient 45s ease infinite;
	height: 100vh;
}

@-webkit-keyframes gradient {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}

@keyframes gradient {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}