body,
html {
	width: 100%;
	background-color: #f3f3f5;
}

.loader {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}
.loader span {
	display: inline-block;
	width: 8px;
	height: 40px;
	border-radius: 4px;
	background: var(--main-bg-color);
	-webkit-animation: load 1s ease infinite;
}
@-webkit-keyframes load {
	0%,
	100% {
		height: 40px;
		background: var(--main-bg-color);
	}
	50% {
		height: 70px;
		margin: -15px 0;
		background: var(--main-bg-color-hover);
	}
}
.loader span:nth-child(2) {
	-webkit-animation-delay: 0.2s;
}
.loader span:nth-child(3) {
	-webkit-animation-delay: 0.4s;
}
.loader span:nth-child(4) {
	-webkit-animation-delay: 0.6s;
}
.loader span:nth-child(5) {
	-webkit-animation-delay: 0.8s;
}