article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block;}audio,canvas,video{display:inline-block;}audio:not([controls]){display:none;height:0;}[hidden]{display:none;}html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;}body{margin:0;}a:focus{outline:thin dotted;}a:active,a:hover{outline:0;}h1{font-size:2em;margin:0.67em 0;}abbr[title]{border-bottom:1px dotted;}b,strong{font-weight:bold;}dfn{font-style:italic;}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0;}mark{background:#ff0;color:#000;}code,kbd,pre,samp{font-family:monospace,serif;font-size:1em;}pre{white-space:pre-wrap;}q{quotes:"\201C" "\201D" "\2018" "\2019";}small{font-size:80%;}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline;}sup{top:-0.5em;}sub{bottom:-0.25em;}img{border:0;}svg:not(:root){overflow:hidden;}figure{margin:0;}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em;}legend{border:0;padding:0;}button,input,select,textarea{font-family:inherit;font-size:100%;margin:0;}button,input{line-height:normal;}button,select{text-transform:none;}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer;}button[disabled],html input[disabled]{cursor:default;}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0;}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box;}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none;}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0;}textarea{overflow:auto;vertical-align:top;}table{border-collapse:collapse;border-spacing:0;}

@import url(http://fonts.lug.ustc.edu.cn/css?family=Lato:300,400);
@font-face {
	font-weight: normal;
	font-style: normal;
	font-family: 'codropsicons';
	src:url('../fonts/codropsicons/codropsicons.eot');
	src:url('../fonts/codropsicons/codropsicons.eot?#iefix') format('embedded-opentype'),
		url('../fonts/codropsicons/codropsicons.woff') format('woff'),
		url('../fonts/codropsicons/codropsicons.ttf') format('truetype'),
		url('../fonts/codropsicons/codropsicons.svg#codropsicons') format('svg');
}

*, *:after, *:before { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }
.clearfix:before, .clearfix:after { content: ''; display: table; }
.clearfix:after { clear: both; }

body {
	background: #fff;
	color: #8a8c7e;
	font-size: 100%;
	line-height: 1.25;
	font-family: 'Lato', 'Avenir Next', Arial, sans-serif;
}

a {
	color: #99cc33;
	text-decoration: none;
	outline: none;
}

a:hover, a:focus {
	color: #373e18;
}



section button {
	display: inline-block;
	background: #a9a9a9;
	color: #fff;
	font-weight: 400;
	padding: 10px 20px;
	margin: 5px;
	text-transform: uppercase;
	border-radius: 2px;
	letter-spacing: 1px;
}

.codrops-demos a:hover,
.codrops-demos a:active,
.codrops-demos a.current-demo {
	background: #777;
}

section {
	padding: 1em 2em 5em;
	text-align: center;
	font-size: 1.5em;
}

section p {
	max-width: 600px;
	margin: 0 auto;
	padding: 20px 0;
}

section button {
	border: none;
	padding: 15px 30px;
	outline: none;
	background: #85b91e;
}

.related > a {
	border: 1px solid #99cc33;
	display: inline-block;
	text-align: center;
	margin: 20px 10px;
	padding: 25px;
	color: #99cc33;
	opacity: 0.8;
	-webkit-transition: color 0.3s, border-color 0.3s;
	transition: color 0.3s, border-color 0.3s;
	-webkit-backface-visibility: hidden;
}

.related a:hover {
	border-color: #82b222;
	color: #82b222;
}

.related a img {
	max-width: 100%;
}

.related a h3 {
	margin: 0;
	padding: 0.5em 0 0.3em;
	max-width: 300px;
	text-align: left;
	font-size: 65%;
	font-weight: 400;
}

@media screen and (max-width: 25em) {
	.codrops-icon span {
		display: none;
	}
}


/* Overlay style */
.overlay {
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	background: rgba(153,204,51,0.9);
}

/* Overlay closing cross */
.overlay .overlay-close {
	width: 80px;
	height: 80px;
	position: absolute;
	right: 20px;
	top: 20px;
	overflow: hidden;
	border: none;
	background: url(../img/cross.png) no-repeat center center #FFF;
	text-indent: 200%;
	color: #000;
	outline: none;
	z-index: 100;
}

/* Menu style */
.overlay nav {
	text-align: center;
	position: relative;
	top: 50%;
	height: 60%;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
}

.overlay ul {
	list-style: none;
	padding: 0;
	margin: 0 auto;
	display: inline-block;
	height: 100%;
	position: relative;
}

.overlay ul li {
	display: block;
	height: 20%;
	height: calc(100% / 5);
	min-height: 54px;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.overlay ul li a {
	font-size: 54px;
	font-weight: 300;
	display: block;
	color: #fff;
	-webkit-transition: color 0.2s;
	transition: color 0.2s;
}

.overlay ul li a:hover,
.overlay ul li a:focus {
	color: #f0f0f0;
}

/* Effects */
.overlay-scale {
	visibility: hidden;
	opacity: 0;
	-webkit-transform: scale(0.9);
	transform: scale(0.9);
	-webkit-transition: -webkit-transform 0.2s, opacity 0.2s, visibility 0s 0.2s;
	transition: transform 0.2s, opacity 0.2s, visibility 0s 0.2s;
}

.overlay-scale.open {
	visibility: visible;
	opacity: 1;
	-webkit-transform: scale(1);
	transform: scale(1);	
	-webkit-transition: -webkit-transform 0.4s, opacity 0.4s;
	transition: transform 0.4s, opacity 0.4s;
}

.info{
  max-width:70%;
  margin:0 auto;
  text-align:center;
  padding:30px;
}

@media screen and (max-height: 30.5em) {
	.overlay nav {
		height: 70%;
		font-size: 34px;
	}
	.overlay ul li {
		min-height: 34px;
	}
}