base.css

html, body {
	height: 100%;
}

body {
	background: #333;
	margin: 0;
}

#ptr {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	color: #fff;
	z-index: 10;
	text-align: center;
	height: 50px;
}

#ptr .genericon {
	opacity: .6;
	font-size: 34px;
	width: auto;
	height: auto;
	transition: all .25s ease;
	-webkit-transform: rotate(90deg);
	transform: rotate(90deg);
	margin-top: 5px;
}
.ptr-refresh #ptr .genericon {
	-webkit-transform: rotate(270deg);
	transform: rotate(270deg);
}
.ptr-loading #ptr .genericon,
.ptr-reset #ptr .genericon {
	display: none;
}

.loading {
	display: inline-block;
	text-align: center;
	opacity: .4;
	margin: 12px 0 0 5px;
	display: none;
}
.ptr-loading .loading {
	display: block;
}

.loading span {
	display: inline-block;
	vertical-align: middle;
	width: 10px;
	height: 10px;
	margin-right: 3px;
	-webkit-transform: scale(0.3);
	transform: scale(0.3);
	border-radius: 50%;
	-webkit-animation: ptr-loading 0.4s infinite alternate;
	animation: ptr-loading 0.4s infinite alternate;
}

#l1 {
	-webkit-animation-delay: 0;
	animation-delay: 0;
}

#l2 {
	-webkit-animation-delay: 0.2s;
	animation-delay: 0.2s;
}

#l3 {
	-webkit-animation-delay: 0.4s;
	animation-delay: 0.4s;
}

@-webkit-keyframes ptr-loading {
	0% {
		-webkit-transform: translateY(0) scale(0.3);
		transform: translateY(0) scale(0.3);
		opacity: 0;
	}

	100% {
		-webkit-transform: scale(1);
		transform: scale(1);
		background-color: #fff;
		opacity: 1;
	}
}

@keyframes ptr-loading {
	0% {
		-webkit-transform: translateY(0) scale(0.3);
		transform: translateY(0) scale(0.3);
		opacity: 0;
	}

	100% {
		-webkit-transform: scale(1);
		transform: scale(1);
		background-color: #fff;
		opacity: 1;
	}
}

#content {
	background: #fff;
	min-height: 100%;
	z-index: 20;
	-webkit-backface-visibility: hidden;
	-webkit-perspective: 1000;
	padding: 50px 20px;
	text-align: center;
	font-family: Helvetica, Arial, sans-serif;
	font-size: 24px;
	font-weight: 200;
	color: #555;
	box-sizing: border-box;
}

.ptr-loading #content, .ptr-reset #content,
.ptr-loading #ptr, .ptr-reset #ptr {
	transition: all .25s ease;
}

.ptr-reset #content {
	-webkit-transform: translate3d( 0, 0, 0 );
	transform: translate3d( 0, 0, 0 );
}

.ptr-loading #content {
	-webkit-transform: translate3d( 0, 50px, 0 );
	transform: translate3d( 0, 50px, 0 );
}