.loader-bg{
	position: fixed;
	z-index: 999999;
	background: #fff;
	width: 100%;
	height: 100%;
}
.loader{
	border: 0 solid transparent;
	border-radius: 50%;
	width: 150px;
	height: 150px;
	position: absolute;
	top: calc(50vh - 75px);
	left: calc(50vw - 75px);
}
.loader:before, .loader:after{
	content: '';
	border: 1em solid #ff5733;
	border-radius: 50%;
	width: inherit;
	height: inherit;
	position: absolute;
	top: 0;
	left: 0;
	animation: loader 2s linear infinite;
	opacity: 0;
}
.loader:before{
	animation-delay: .5s;
}
@keyframes loader{
	0%{
		transform: scale(0);
		opacity: 0;
	}
	50%{
		opacity: 1;
	}
	100%{
		transform: scale(1);
		opacity: 0;
	}
}
*{
	margin: 0;
	padding: 0;
}