dat.css

body {
	margin: 0;
	padding: 0;
}
a {
	text-decoration: none;
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.clear {
	clear: both;
}
.centered {
	position: relative;
	top: 50%;
	transform: translateY(-50%);
	margin: auto;
}
#viewport {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	overflow: hidden;
}
.panel {
	padding: 1.5em;
	height: 100%;
	box-sizing: border-box;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	overflow: auto;
}
.panel.fade {
	opacity: 0;
	z-index: 0;
	-webkit-transition: opacity 0.4s linear;
	transition: opacity 0.4s linear;
}
.panel.fade.active {
	opacity: 1;
	z-index: 9;
	-webkit-overflow-scrolling: touch;
}
.panel.fade.previous {
	opacity: 0;
	z-index: 0;
	-webkit-overflow-scrolling: auto;
}
.panel.slide-left {
	margin-left: 100%;

	-webkit-transition: all .8s ease-in-out;
	-moz-transition: all .8s ease-in-out;
	-o-transition: all .8s ease-in-out;
	transition: all .8s ease-in-out;
}
.panel.slide-left.previous {
	margin-left: 100%;
}
.panel.slide-left.active {
	margin: 0;
}
.panel.slide-right {
	margin-left: -100%;

	-webkit-transition: all .8s ease-in-out;
	-moz-transition: all .8s ease-in-out;
	-o-transition: all .8s ease-in-out;
	transition: all .8s ease-in-out;
}
.panel.slide-right.previous {
	margin-right: 100%;
}
.panel.slide-right.active {
	margin: 0;
}