CSS源码：

@import url(http://fonts.googleapis.com/css?family=Lato:400,700);
@font-face {
    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');
    font-weight: normal;
    font-style: normal;
}
body {
    background: #81c439;
    color: #fff;
    font-family: 'Lato', Arial, sans-serif;
}
.clearfix:before,
.clearfix:after {
    content: '';
    display: table;
}
.clearfix:after {
    clear: both;
}
a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    outline: none;
}
a:hover,
a:focus {
    color: #fff
}
.container > header {
    margin: 0 auto;
    padding: 2em 15% 0;
    text-align: center;
}
.container > header h1 {
    font-size: 1.8em;
    line-height: 1.3;
    margin: 0;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    word-spacing: 5px;
}
.container > header span {
    display: block;
    font-size: 60%;
    opacity: 0.7;
    padding: 0 0 0.6em 0.1em;
}
/* To Navigation Style */
.codrops-top {
    background: rgba(255, 255, 255, 0.1);
    text-transform: uppercase;
    width: 100%;
    font-size: 0.69em;
    line-height: 2.2;
    font-weight: 700;
}
.codrops-top a {
    text-decoration: none;
    padding: 0 1em;
    letter-spacing: 0.1em;
    display: inline-block;
}
.codrops-top a:hover {
    background: rgba(255,255,255,0.95);
    color: #81c439;
}
.codrops-top span.right {
    float: right;
}
.codrops-top span.right a {
    float: left;
    display: block;
}
.codrops-icon:before {
    font-family: 'codropsicons';
    margin: 0 4px;
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
}
.codrops-icon-drop:before {
    content: "\e001";
}
.codrops-icon-prev:before {
    content: "\e004";
}
/* Demo Buttons Style */
.codrops-demos {
    padding-top: 1em;
    max-width: 700px;
    margin: 0 auto;
}
.codrops-demos a {
    text-decoration: none;
    outline: none;
    display: inline-block;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8em;
    margin: 0.5em 0.4em;
    letter-spacing: 1px;
    background: rgba(0,0,0,0.1);
    padding: 0.4em 0.9em;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}
.codrops-demos a.current-demo,
.codrops-demos a:hover,
.codrops-demos a:focus {
    opacity: 1;
    background: rgba(0,0,0,0.25);
}
section {
    text-align: center;
    font-size: 150%;
    padding: 1em 1% 2em;
}
@media screen and (max-width: 25em) {
    .codrops-icon span {
        display: none;
    }
}
index源码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Animations for Thumbnail Grids | Demo 1</title>
<link rel="stylesheet" type="text/css" href="css/normalize.css" />
<link rel="stylesheet" type="text/css" href="css/demo.css" />
<!--必要样式-->
<link rel="stylesheet" type="text/css" href="css/component.css" />
<script src="js/modernizr.custom.js"></script>
</head>
<body>
<div>
<header>
<h1>网格缩略图动画</h1>
<nav>
<a href="index.html">Fall</a>
<a href="index2.html">Slide</a>
<a href="index3.html">Rotate Fall</a>
<a href="index4.html">Rotate Scale</a>
<a href="index5.html">Stack</a>
<a href="index6.html">3d Flip</a>
<a href="index7.html">Bring back</a>
<a href="index8.html">Superscale</a>
<a href="index9.html">Center Flip</a>
<a href="index10.html">Front Row</a>
</nav>
</header>
<section>
<ul class="tt-grid tt-effect-fall tt-effect-delay">
<li><a href="#"><img src="img/1.jpg" alt="img01"/></a></li>
<li><a href="#"><img src="img/2.jpg" alt="img02"/></a></li>
<li><a href="#"><img src="img/3.jpg" alt="img03"/></a></li>
<li><a href="#"><img src="img/4.jpg" alt="img04"/></a></li>
<li><a href="#"><img src="img/5.jpg" alt="img05"/></a></li>
<li><a href="#"><img src="img/6.jpg" alt="img06"/></a></li>
</ul>
<nav>
<a></a><a></a><a></a><a></a>
</nav>
</section>
</div><!-- /container -->
<script src="js/classie.js"></script>
<script src="js/thumbnailGridEffects.js"></script>
</body>
</html>