preloader.css

.preloader {
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	background: #fff;
	z-index: 2;
}

.preloader .spinner {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.preloader img {
	animation: preloader 1s;
}

@keyframes preloader {
	from {
		transform: rotate(0deg);
	}
	to {
		transform: rotate(360deg);
	}
}