.loader {
	position:fixed;
	left:50%;
	top:50%;
	margin:-0.2em 0 0 -0.2em;
	text-indent:-9999em;
	border-top:0.3em solid rgba(0,0,0,0.1);
	border-right:0.3em solid rgba(0,0,0,0.1);
	border-bottom:0.3em solid rgba(0,0,0,0.1);
	border-left:0.3em solid #555;
	-moz-transform:translateZ(0);
	-webkit-transform:translateZ(0);
	transform:translateZ(0);
	-moz-animation:loader 300ms infinite linear;
	-webkit-animation:loader 300ms infinite linear;
	animation:loader 300ms infinite linear;
	-moz-transition:all 500ms ease;
	-o-transition:all 500ms ease;
	-webkit-transition:all 500ms ease;
	transition:all 500ms ease;
}
.loader,.loader:after {
	border-radius:50%;
	width:2em;
	height:2em;
}
.curtain {
	position:fixed;
	width:100%;
	height:100%;
	top:0;
	left:0;
	background-color:white;
	-moz-transition:all 600ms ease;
	-o-transition:all 600ms ease;
	-webkit-transition:all 600ms ease;
	transition:all 600ms ease;
	filter:progid:DXImageTransform.Microsoft.Alpha(Opacity=0);
	opacity:0;
	z-index:0;
	overflow:hidden;
}
@-webkit-keyframes loader {
	0% {
	-webkit-transform:rotate(0deg);
	transform:rotate(0deg);
}
100% {
	-webkit-transform:rotate(360deg);
	transform:rotate(360deg);
}
}@-moz-keyframes loader {
	0% {
	-moz-transform:rotate(0deg);
	transform:rotate(0deg);
}
100% {
	-moz-transform:rotate(360deg);
	transform:rotate(360deg);
}
}@keyframes loader {
	0% {
	-webkit-transform:rotate(0deg);
	transform:rotate(0deg);
}
100% {
	-webkit-transform:rotate(360deg);
	transform:rotate(360deg);
}
}.is-loading {
	overflow:hidden;
}
.is-loading .curtain {
	filter:progid:DXImageTransform.Microsoft.Alpha(enabled=false);
	opacity:1;
	z-index:99;
}
.is-loading .loader {
	filter:progid:DXImageTransform.Microsoft.Alpha(enabled=false);
	opacity:1;
}