.blocker {
	position: fixed;
	top: 0; right: 0; bottom: 0; left: 0;
	width: 100%; height: 100%;
	overflow: auto;
	z-index: 9999;
	padding: 20px;
	box-sizing: border-box;
	background: rgba(0, 0, 0, 0.5);
	text-align: center;
}
.blocker:before{
	content: "";
	display: inline-block;
	height: 100%;
	vertical-align: middle;
	margin-right: -0.05em;
}
.blocker.behind {
	background-color: transparent;
}
.modal {
	display: none;
	vertical-align: middle;
	z-index: 99999;
	box-sizing: border-box;
	background: #fff;
	-webkit-border-radius: 8px;
	-moz-border-radius: 8px;
	-o-border-radius: 8px;
	-ms-border-radius: 8px;
	border-radius: 8px;
	-webkit-box-shadow: 0 0 10px #000;
	-moz-box-shadow: 0 0 10px #000;
	-o-box-shadow: 0 0 10px #000;
	-ms-box-shadow: 0 0 10px #000;
	box-shadow: 0 0 10px #000;
	text-align: left;
}

.modal-spinner {
	display: none;
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translateY(-50%) translateX(-50%);
	padding: 12px 16px;
	border-radius: 5px;
	background-color: #111;
	height: 20px;
}

.modal-spinner > div {
	border-radius: 100px;
	background-color: #fff;
	height: 20px;
	width: 2px;
	margin: 0 1px;
	display: inline-block;
	
	-webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
	animation: sk-stretchdelay 1.2s infinite ease-in-out;
}

.modal-spinner .rect2 {
	-webkit-animation-delay: -1.1s;
	animation-delay: -1.1s;
}

.modal-spinner .rect3 {
	-webkit-animation-delay: -1.0s;
	animation-delay: -1.0s;
}

.modal-spinner .rect4 {
	-webkit-animation-delay: -0.9s;
	animation-delay: -0.9s;
}

@-webkit-keyframes sk-stretchdelay {
	0%, 40%, 100% { -webkit-transform: scaleY(0.5) }
	20% { -webkit-transform: scaleY(1.0) }
}

@keyframes sk-stretchdelay {
	0%, 40%, 100% {
		transform: scaleY(0.5);
		-webkit-transform: scaleY(0.5);
		}  20% {
		transform: scaleY(1.0);
		-webkit-transform: scaleY(1.0);
	}
}