html, body, div, span, p, a, del, em, img, ol, ul, li, fieldset, form, label {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}

html, body {
	line-height: 1;
	min-height:100%; font-size:18px;
	font-family:'Microsoft yahei',Artial, Verdana, sans-serif;
}

body {
	background: #eeeeee;
	background: -webkit-linear-gradient(top, #eeeeee, #cccccc 100%);
	background: -moz-linear-gradient(top, #eeeeee, #cccccc 100%);
	background: -o-linear-gradient(top, #eeeeee, #cccccc 100%);
	background: -ms-linear-gradient(top, #eeeeee, #cccccc 100%);
	background: linear-gradient(top, #eeeeee, #cccccc 100%);
	background-attachment:fixed;
}

h1 {
	font-size:24px;
	margin:0;
}

h1 > small {
	text-align:right;
	display:inline-block;
	font-size:.71em;
	text-indent:15em;
	color:#444;
}

h2 {
	color:inherit;
	font-size:18px;
	margin:2em 0 1em 0;
}

h2:first-child {margin-top:0;}

h3 {
	color:#333;
	font-size:1.41em;
	margin:1em 0;
}

h4 {
	color:#444;
	font-size:1.11em;
	margin:1em 0;
}



html, body {
	width:100%;
	height:100%;
	padding:0;
	margin:0;
	overflow-x:hidden;
}

.skrollable {
	/*
	 * First-level skrollables are positioned relative to window
	 */
	position:fixed;

	/*
	 * Skrollables by default have a z-index of 100 in order to make it easy to position elements in front/back without changing each skrollable
	 */
	z-index:100;
}

.skrollr-mobile .skrollable {
	/*
		May cause issues on Android default browser (see #331 on GitHub).
	*/
	position:absolute;
}

.skrollable .skrollable {
	/*
	 * Second-level skrollables are positioned relative their parent skrollable
	 */
	position:absolute;
}

.skrollable .skrollable .skrollable {
	/*
	 * Third-level (and below) skrollables are positioned static
	 */
	position:static;
}


#progress {
	height:4px;
	background:#444;
	bottom:0;
	z-index:200;
}

#bg1, #bg2, #bg3 {
	z-index:50;
	top:0;
	left:0;
	width:100%;
	height:100%;
	background:url(../images/bubbles.png) repeat 0 0;
}

#bg2 {
	z-index:49;
	background-image:url(../images/bubbles2.png);
}

#bg3 {
	z-index:48;
	background-image:url(../images/bubbles3.png);
}

#intro {
	width:80%;
	left:50%;
	top:1em;
	margin-left:-40%;
	padding:2em;
	background:#fff;
	text-align:center;
	border-radius:1em;

	-webkit-transform-origin:0 0;
	-moz-transform-origin:0 0;
	-ms-transform-origin:0 0;
	-o-transform-origin:0 0;
	transform-origin:0 0;

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

#intro .arrows {
	font-size:2em;
	color:#09f;
}

#transform {
	width:70%;
	left:50%;
	top:20%;
	margin-left:-35%;
	text-align:center;
	font-size:150%;

	.transform-origin(50%, 50%);
}

#properties {
	width:100%;
	height:100%;
	padding-top:10%;
	text-align:center;

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}



#end {
	width:60%;
	left:20%;
	height:80%;
	padding:3em;
	border:0 solid #666;
	text-align:center;

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}