以下是 css3实现点击svg图标动画特效代码 的示例演示效果:
部分效果截图:
HTML代码(index.html):
<!DOCTYPE html>
<html lang="en" class="no-js">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>css3实现点击svg图标动画特效</title>
<link rel="stylesheet" type="text/css" href="css/normalize.css" />
<link rel="stylesheet" type="text/css" href="fonts/font-awesome-4.3.0/css/font-awesome.min.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 class="container">
<header class="codrops-header">
<h1>Subtle Click Feedback Effects</h1>
</header>
<div class="content content--main clearfix">
<div class="box">
<h2 class="box__title">Boris</h2>
<button class="cbutton cbutton--effect-boris">
<i class="cbutton__icon fa fa-fw fa-step-backward"></i>
<span class="cbutton__text">Backward</span>
</button>
<button class="cbutton cbutton--effect-boris">
<i class="cbutton__icon fa fa-fw fa-play"></i>
<span class="cbutton__text">Play</span>
</button>
<button class="cbutton cbutton--effect-boris">
<i class="cbutton__icon fa fa-fw fa-step-forward"></i>
<span class="cbutton__text">Forward</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Jelena</h2>
<button class="cbutton cbutton--effect-jelena">
<i class="cbutton__icon fa fa-fw fa-rotate-left"></i>
<span class="cbutton__text">Rotate left</span>
</button>
<button class="cbutton cbutton--effect-jelena">
<i class="cbutton__icon fa fa-fw fa-cut"></i>
<span class="cbutton__text">Cut</span>
</button>
<button class="cbutton cbutton--effect-jelena">
<i class="cbutton__icon fa fa-fw fa-rotate-right"></i>
<span class="cbutton__text">Rotate right</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Radomir</h2>
<button class="cbutton cbutton--effect-radomir">
<i class="cbutton__icon fa fa-fw fa-save"></i>
<span class="cbutton__text">Save</span>
</button>
<button class="cbutton cbutton--effect-radomir">
<i class="cbutton__icon fa fa-fw fa-copy"></i>
<span class="cbutton__text">Copy</span>
</button>
<button class="cbutton cbutton--effect-radomir">
<i class="cbutton__icon fa fa-fw fa-paste"></i>
<span class="cbutton__text">Paste</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Sanja</h2>
<button class="cbutton cbutton--effect-sanja">
<i class="cbutton__icon fa fa-fw fa-eyedropper"></i>
<span class="cbutton__text">Pick</span>
</button>
<button class="cbutton cbutton--effect-sanja">
<i class="cbutton__icon fa fa-fw fa-gear"></i>
<span class="cbutton__text">Settings</span>
</button>
<button class="cbutton cbutton--effect-sanja">
<i class="cbutton__icon fa fa-fw fa-lock"></i>
<span class="cbutton__text">Lock</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Novak</h2>
<button class="cbutton cbutton--effect-novak">
<i class="cbutton__icon fa fa-fw fa-minus"></i>
<span class="cbutton__text">Minus</span>
</button>
<button class="cbutton cbutton--effect-novak">
<i class="cbutton__icon fa fa-fw fa-plus"></i>
<span class="cbutton__text">Plus</span>
</button>
<button class="cbutton cbutton--effect-novak">
<i class="cbutton__icon fa fa-fw fa-remove"></i>
<span class="cbutton__text">Remove</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Ilinka</h2>
<button class="cbutton cbutton--effect-ilinka">
<i class="cbutton__icon fa fa-fw fa-send"></i>
<span class="cbutton__text">Send</span>
</button>
<button class="cbutton cbutton--effect-ilinka">
<i class="cbutton__icon fa fa-fw fa-search"></i>
<span class="cbutton__text">Search</span>
</button>
<button class="cbutton cbutton--effect-ilinka">
<i class="cbutton__icon fa fa-fw fa-share"></i>
<span class="cbutton__text">Share</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Marin</h2>
<button class="cbutton cbutton--effect-marin">
<i class="cbutton__icon fa fa-fw fa-star"></i>
<span class="cbutton__text">Fav</span>
</button>
<button class="cbutton cbutton--effect-marin">
<i class="cbutton__icon fa fa-fw fa-flag"></i>
<span class="cbutton__text">Flag</span>
</button>
<button class="cbutton cbutton--effect-marin">
<i class="cbutton__icon fa fa-fw fa-thumbs-up"></i>
<span class="cbutton__text">Like</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Nikola</h2>
<button class="cbutton cbutton--effect-nikola">
<i class="cbutton__icon fa fa-fw fa-refresh"></i>
<span class="cbutton__text">Refresh</span>
</button>
<button class="cbutton cbutton--effect-nikola">
<i class="cbutton__icon fa fa-fw fa-trash-o"></i>
<span class="cbutton__text">Trash</span>
</button>
<button class="cbutton cbutton--effect-nikola">
<i class="cbutton__icon fa fa-fw fa-heart"></i>
<span class="cbutton__text">Heart</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Tamara</h2>
<button class="cbutton cbutton--effect-tamara">
<i class="cbutton__icon fa fa-fw fa-file-text-o"></i>
<span class="cbutton__text">File</span>
</button>
<button class="cbutton cbutton--effect-tamara">
<i class="cbutton__icon fa fa-fw fa-link"></i>
<span class="cbutton__text">Link</span>
</button>
<button class="cbutton cbutton--effect-tamara">
<i class="cbutton__icon fa fa-fw fa-columns"></i>
<span class="cbutton__text">Layout</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Zoran</h2>
<button class="cbutton cbutton--effect-zoran">
<i class="cbutton__icon fa fa-fw fa-bitcoin"></i>
<span class="cbutton__text">Bitcoin</span>
</button>
<button class="cbutton cbutton--effect-zoran">
<i class="cbutton__icon fa fa-fw fa-dollar"></i>
<span class="cbutton__text">Dollar</span>
</button>
<button class="cbutton cbutton--effect-zoran">
<i class="cbutton__icon fa fa-fw fa-euro"></i>
<span class="cbutton__text">Euro</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Ivana</h2>
<button class="cbutton cbutton--effect-ivana">
<i class="cbutton__icon fa fa-fw fa-step-backward"></i>
<span class="cbutton__text">Backward</span>
</button>
<button class="cbutton cbutton--effect-ivana">
<i class="cbutton__icon fa fa-fw fa-play"></i>
<span class="cbutton__text">Play</span>
</button>
<button class="cbutton cbutton--effect-ivana">
<i class="cbutton__icon fa fa-fw fa-step-forward"></i>
<span class="cbutton__text">Forward</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Marko</h2>
<button class="cbutton cbutton--effect-marko">
<i class="cbutton__icon fa fa-fw fa-minus"></i>
<span class="cbutton__text">Minus</span>
</button>
<button class="cbutton cbutton--effect-marko">
<i class="cbutton__icon fa fa-fw fa-plus"></i>
<span class="cbutton__text">Plus</span>
</button>
<button class="cbutton cbutton--effect-marko">
<i class="cbutton__icon fa fa-fw fa-remove"></i>
<span class="cbutton__text">Remove</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Stoja <span>(Chrome + Safari)</span></h2>
<button class="cbutton cbutton--effect-stoja cbutton--effect-stoja-left">
<i class="cbutton__icon fa fa-fw fa-save"></i>
<span class="cbutton__text">Save</span>
</button>
<button class="cbutton cbutton--effect-stoja cbutton--effect-stoja-top">
<i class="cbutton__icon fa fa-fw fa-copy"></i>
<span class="cbutton__text">Copy</span>
</button>
<button class="cbutton cbutton--effect-stoja cbutton--effect-stoja-right">
<i class="cbutton__icon fa fa-fw fa-paste"></i>
<span class="cbutton__text">Paste</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Azra</h2>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-1 cbutton--effect-azra">
<img class="cbutton__helper" src="img/drop.svg#color-1" />
<span class="cbutton__text">Colorpicker</span>
</button>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-2 cbutton--effect-azra">
<img class="cbutton__helper" src="img/drop.svg#color-2" />
<span class="cbutton__text">Colorpicker</span>
</button>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-3 cbutton--effect-azra">
<img class="cbutton__helper" src="img/drop.svg#color-3" />
<span class="cbutton__text">Colorpicker</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Dejan</h2>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-4 cbutton--effect-dejan">
<span class="cbutton__text">Colorpicker</span>
<span class="cbutton__helper cbutton__helper--first"><img src="img/splash_1.svg#color-4" /></span>
<span class="cbutton__helper cbutton__helper--second"><img src="img/splash_2.svg#color-4" /></span>
</button>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-5 cbutton--effect-dejan">
<span class="cbutton__text">Colorpicker</span>
<span class="cbutton__helper cbutton__helper--first"><img src="img/splash_1.svg#color-5" /></span>
<span class="cbutton__helper cbutton__helper--second"><img src="img/splash_2.svg#color-5" /></span>
</button>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-6 cbutton--effect-dejan">
<span class="cbutton__text">Colorpicker</span>
<span class="cbutton__helper cbutton__helper--first"><img src="img/splash_1.svg#color-6" /></span>
<span class="cbutton__helper cbutton__helper--second"><img src="img/splash_2.svg#color-6" /></span>
</button>
</div>
<div class="box">
<h2 class="box__title">Stana <span>(Chrome only)</span></h2>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-7 cbutton--effect-stana">
<span class="cbutton__text">Colorpicker</span>
<span class="cbutton__helper">
<svg width="100%" height="100%" viewBox="0 0 100 100" preserveAspectRatio="none">
<clipPath id="clip_shape_1">
<path class="clip-ring" d="M50,24.188c-14.255,0-25.812,11.557-25.812,25.812 c0,14.255,11.557,25.812,25.812,25.812c14.255 0,25.812-11.558,25.812-25.812C75.812,35.745,64.255,24.188,50,24.188z M50,64.75 c-8.146,0-14.749-6.604-14.749-14.75c0-8.146,6.603-14.749,14.749-14.749c8.146,0,14.75,6.603,14.75,14.749 C64.75,58.146,58.146,64.75,50,64.75z"/>
</clipPath>
<g clip-path="url(#clip_shape_1)">
<line x1="50" y1="89.75" x2="50" y2="75.75"/>
<line x1="84.844" y1="70.132" x2="72.191" y2="62.828"/>
<line x1="84.844" y1="29.956" x2="72.193" y2="37.259"/>
<line x1="50" y1="9.25" x2="50" y2="24.25"/>
<line x1="15.243" y1="70.132" x2="27.894" y2="62.829"/>
<line x1="15.243" y1="29.956" x2="27.893" y2="37.258"/>
</g>
</svg><!-- there should be a better way to do this without repeating SVG information -->
</span>
</button>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-8 cbutton--effect-stana">
<span class="cbutton__text">Colorpicker</span>
<span class="cbutton__helper">
<svg width="100%" height="100%" viewBox="0 0 100 100" preserveAspectRatio="none">
<clipPath id="clip_shape_2">
<path class="clip-ring" d="M50,24.188c-14.255,0-25.812,11.557-25.812,25.812 c0,14.255,11.557,25.812,25.812,25.812c14.255 0,25.812-11.558,25.812-25.812C75.812,35.745,64.255,24.188,50,24.188z M50,64.75 c-8.146,0-14.749-6.604-14.749-14.75c0-8.146,6.603-14.749,14.749-14.749c8.146,0,14.75,6.603,14.75,14.749 C64.75,58.146,58.146,64.75,50,64.75z"/>
</clipPath>
<g clip-path="url(#clip_shape_2)">
<line x1="50" y1="89.75" x2="50" y2="75.75"/>
<line x1="84.844" y1="70.132" x2="72.191" y2="62.828"/>
<line x1="84.844" y1="29.956" x2="72.193" y2="37.259"/>
<line x1="50" y1="9.25" x2="50" y2="24.25"/>
<line x1="15.243" y1="70.132" x2="27.894" y2="62.829"/>
<line x1="15.243" y1="29.956" x2="27.893" y2="37.258"/>
</g>
</svg>
</span>
</button>
<button class="cbutton cbutton--complex cbutton--box cbutton--box-color-9 cbutton--effect-stana">
<span class="cbutton__text">Colorpicker</span>
<span class="cbutton__helper">
<svg width="100%" height="100%" viewBox="0 0 100 100" preserveAspectRatio="none">
<clipPath id="clip_shape_3">
<path class="clip-ring" d="M50,24.188c-14.255,0-25.812,11.557-25.812,25.812 c0,14.255,11.557,25.812,25.812,25.812c14.255 0,25.812-11.558,25.812-25.812C75.812,35.745,64.255,24.188,50,24.188z M50,64.75 c-8.146,0-14.749-6.604-14.749-14.75c0-8.146,6.603-14.749,14.749-14.749c8.146,0,14.75,6.603,14.75,14.749 C64.75,58.146,58.146,64.75,50,64.75z"/>
</clipPath>
<g clip-path="url(#clip_shape_3)">
<line x1="50" y1="89.75" x2="50" y2="75.75"/>
<line x1="84.844" y1="70.132" x2="72.191" y2="62.828"/>
<line x1="84.844" y1="29.956" x2="72.193" y2="37.259"/>
<line x1="50" y1="9.25" x2="50" y2="24.25"/>
<line x1="15.243" y1="70.132" x2="27.894" y2="62.829"/>
<line x1="15.243" y1="29.956" x2="27.893" y2="37.258"/>
</g>
</svg>
</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Filipa</h2>
<button class="cbutton cbutton--effect-filipa cbutton--effect-filipa-left">
<i class="cbutton__icon fa fa-fw fa-rotate-left"></i>
<span class="cbutton__text">Rotate left</span>
</button>
<button class="cbutton cbutton--effect-filipa cbutton--effect-filipa-right">
<i class="cbutton__icon fa fa-fw fa-rotate-right"></i>
<span class="cbutton__text">Rotate right</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Lazar</h2>
<button class="cbutton cbutton--effect-lazar cbutton--effect-lazar-inverted">
<i class="cbutton__icon fa fa-fw fa-chevron-right"></i>
<span class="cbutton__text">Prev</span>
</button>
<button class="cbutton cbutton--effect-lazar">
<i class="cbutton__icon fa fa-fw fa-chevron-right"></i>
<span class="cbutton__text">Next</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Jagoda <span>(simulated loading)</span></h2>
<button class="cbutton cbutton--effect-jagoda">
<i class="cbutton__icon fa fa-fw fa-star"></i>
<span class="cbutton__text">Fav</span>
</button>
<button class="cbutton cbutton--effect-jagoda">
<i class="cbutton__icon fa fa-fw fa-flag"></i>
<span class="cbutton__text">Flag</span>
</button>
<button class="cbutton cbutton--effect-jagoda">
<i class="cbutton__icon fa fa-fw fa-thumbs-up"></i>
<span class="cbutton__text">Like</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Simo <span>(simulated loading)</span></h2>
<button class="cbutton cbutton--effect-simo">
<i class="cbutton__icon fa fa-fw fa-refresh"></i>
<span class="cbutton__text">Refresh</span>
</button>
<button class="cbutton cbutton--effect-simo">
<i class="cbutton__icon fa fa-fw fa-trash-o"></i>
<span class="cbutton__text">Trash</span>
</button>
<button class="cbutton cbutton--effect-simo">
<i class="cbutton__icon fa fa-fw fa-heart"></i>
<span class="cbutton__text">Heart</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Milan <span>(simulated loading)</span></h2>
<button class="cbutton cbutton--effect-milan">
<i class="cbutton__icon fa fa-fw fa-refresh"></i>
<span class="cbutton__text">Refresh</span>
</button>
<button class="cbutton cbutton--effect-milan">
<i class="cbutton__icon fa fa-fw fa-trash-o"></i>
<span class="cbutton__text">Trash</span>
</button>
<button class="cbutton cbutton--effect-milan">
<i class="cbutton__icon fa fa-fw fa-heart"></i>
<span class="cbutton__text">Heart</span>
</button>
</div>
<div class="box">
<h2 class="box__title">Zorka <span>(with goo filter technique by <a href="https://twitter.com/lucasbebber">Lucas Bebber</a>)</span></h2>
<button class="cbutton cbutton--complex cbutton--effect-zorka">
<i class="cbutton__icon fa fa-fw fa-code-fork"></i>
<span class="cbutton__text">Search</span>
<span class="cbutton__helper"></span>
</button>
<svg class="hidden">
<!-- Goo filter effect technique by Lucas Bebber https://twitter.com/lucasbebber -->
<defs>
<filter id="lb-goo-filter">
<feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />
<feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 18 -7" result="goo" />
<feComposite in="SourceGraphic" in2="goo" operator="atop"/>
</filter>
</defs>
</svg>
</div>
</div>
</div><!-- /container -->
<script type="text/javascript" src="js/classie.js"></script>
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if( callback && typeof callback === 'function' ) { callback.call(); }
};
if( support.animations ) {
el.addEventListener( animEndEventName, onEndCallbackFn );
}
else {
onEndCallbackFn();
}
},
eventtype = mobilecheck() ? 'touchstart' : 'click';
[].slice.call( document.querySelectorAll( '.cbutton' ) ).forEach( function( el ) {
el.addEventListener( eventtype, function( ev ) {
classie.add( el, 'cbutton--click' );
onEndAnimation( classie.has( el, 'cbutton--complex' ) ? el.querySelector( '.cbutton__helper' ) : el, function() {
classie.remove( el, 'cbutton--click' );
} );
} );
} );
})();
</script>
</body>
</html>
JS代码(classie.js):
/*! * classie - class helper functions * from bonzo https://github.com/ded/bonzo * * classie.has( elem,'my-class' ) -> true/false * classie.add( elem,'my-new-class' ) * classie.remove( elem,'my-unwanted-class' ) * classie.toggle( elem,'my-class' ) */
/*jshint browser:true,strict:true,undef:true */
/*global define:false */
( function( window ){
'use strict';
// class helper functions from bonzo https://github.com/ded/bonzofunction classReg( className ){
return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
}
// classList support for class management// altho to be fair,the api sucks because it won't accept multiple classes at oncevar hasClass,addClass,removeClass;
if ( 'classList' in document.documentElement ){
hasClass = function( elem,c ){
return elem.classList.contains( c );
}
;
addClass = function( elem,c ){
elem.classList.add( c );
}
;
removeClass = function( elem,c ){
elem.classList.remove( c );
}
;
}
else{
hasClass = function( elem,c ){
return classReg( c ).test( elem.className );
}
;
addClass = function( elem,c ){
if ( !hasClass( elem,c ) ){
elem.className = elem.className + ' ' + c;
}
}
;
removeClass = function( elem,c ){
elem.className = elem.className.replace( classReg( c ),' ' );
}
;
}
function toggleClass( elem,c ){
var fn = hasClass( elem,c ) ? removeClass:addClass;
fn( elem,c );
}
var classie ={
// full names hasClass:hasClass,addClass:addClass,removeClass:removeClass,toggleClass:toggleClass,// short names has:hasClass,add:addClass,remove:removeClass,toggle:toggleClass}
;
// transportif ( typeof define === 'function' && define.amd ){
// AMD define( classie );
}
else{
// browser global window.classie = classie;
}
}
)( window );
JS代码(modernizr.custom.js):
/* Modernizr 2.8.3 (Custom Build) | MIT & BSD * Build:http://modernizr.com/download/#-cssanimations-shiv-cssclasses-prefixed-testprop-testallprops-domprefixes-load */
;
window.Modernizr=function(a,b,c){
function x(a){
j.cssText=a}
function y(a,b){
return x(prefixes.join(a+";
")+(b||""))}
function z(a,b){
return typeof a===b}
function A(a,b){
return!!~(""+a).indexOf(b)}
function B(a,b){
for(var d in a){
var e=a[d];
if(!A(e,"-")&&j[e]!==c)return b=="pfx"?e:!0}
return!1}
function C(a,b,d){
for(var e in a){
var f=b[a[e]];
if(f!==c)return d===!1?a[e]:z(f,"function")?f.bind(d||b):f}
return!1}
function D(a,b,c){
var d=a.charAt(0).toUpperCase()+a.slice(1),e=(a+" "+n.join(d+" ")+d).split(" ");
return z(b,"string")||z(b,"undefined")?B(e,b):(e=(a+" "+o.join(d+" ")+d).split(" "),C(e,b,c))}
var d="2.8.3",e={
}
,f=!0,g=b.documentElement,h="modernizr",i=b.createElement(h),j=i.style,k,l={
}
.toString,m="Webkit Moz O ms",n=m.split(" "),o=m.toLowerCase().split(" "),p={
}
,q={
}
,r={
}
,s=[],t=s.slice,u,v={
}
.hasOwnProperty,w;
!z(v,"undefined")&&!z(v.call,"undefined")?w=function(a,b){
return v.call(a,b)}
:w=function(a,b){
return b in a&&z(a.constructor.prototype[b],"undefined")}
,Function.prototype.bind||(Function.prototype.bind=function(b){
var c=this;
if(typeof c!="function")throw new TypeError;
var d=t.call(arguments,1),e=function(){
if(this instanceof e){
var a=function(){
}
;
a.prototype=c.prototype;
var f=new a,g=c.apply(f,d.concat(t.call(arguments)));
return Object(g)===g?g:f}
return c.apply(b,d.concat(t.call(arguments)))}
;
return e}
),p.cssanimations=function(){
return D("animationName")}
;
for(var E in p)w(p,E)&&(u=E.toLowerCase(),e[u]=p[E](),s.push((e[u]?"":"no-")+u));
return e.addTest=function(a,b){
if(typeof a=="object")for(var d in a)w(a,d)&&e.addTest(d,a[d]);
else{
a=a.toLowerCase();
if(e[a]!==c)return e;
b=typeof b=="function"?b():b,typeof f!="undefined"&&f&&(g.className+=" "+(b?"":"no-")+a),e[a]=b}
return e}
,x(""),i=k=null,function(a,b){
function l(a,b){
var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;
return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}
function m(){
var a=s.elements;
return typeof a=="string"?a.split(" "):a}
function n(a){
var b=j[a[h]];
return b||(b={
}
,i++,a[h]=i,j[i]=b),b}
function o(a,c,d){
c||(c=b);
if(k)return c.createElement(a);
d||(d=n(c));
var g;
return d.cache[a]?g=d.cache[a].cloneNode():f.test(a)?g=(d.cache[a]=d.createElem(a)).cloneNode():g=d.createElem(a),g.canHaveChildren&&!e.test(a)&&!g.tagUrn?d.frag.appendChild(g):g}
function p(a,c){
a||(a=b);
if(k)return a.createDocumentFragment();
c=c||n(a);
var d=c.frag.cloneNode(),e=0,f=m(),g=f.length;
for(;
e<g;
e++)d.createElement(f[e]);
return d}
function q(a,b){
b.cache||(b.cache={
}
,b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){
return s.shivMethods?o(c,a,b):b.createElem(c)}
,a.createDocumentFragment=Function("h,f","return function(){
var n=f.cloneNode(),c=n.createElement;
h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){
return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'}
)+");
return n}
")(s,b.frag)}
function r(a){
a||(a=b);
var c=n(a);
return s.shivCSS&&!g&&!c.hasCSS&&(c.hasCSS=!!l(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{
display:block}
mark{
background:#FF0;
color:#000}
template{
display:none}
")),k||q(a,c),a}
var c="3.7.0",d=a.html5||{
}
,e=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,f=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,g,h="_html5shiv",i=0,j={
}
,k;
(function(){
try{
var a=b.createElement("a");
a.innerHTML="<xyz></xyz>",g="hidden"in a,k=a.childNodes.length==1||function(){
b.createElement("a");
var a=b.createDocumentFragment();
return typeof a.cloneNode=="undefined"||typeof a.createDocumentFragment=="undefined"||typeof a.createElement=="undefined"}
()}
catch(c){
g=!0,k=!0}
}
)();
var s={
elements:d.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:c,shivCSS:d.shivCSS!==!1,supportsUnknownElements:k,shivMethods:d.shivMethods!==!1,type:"default",shivDocument:r,createElement:o,createDocumentFragment:p}
;
a.html5=s,r(b)}
(this,b),e._version=d,e._domPrefixes=o,e._cssomPrefixes=n,e.testProp=function(a){
return B([a])}
,e.testAllProps=D,e.prefixed=function(a,b,c){
return b?D(a,b,c):D(a,"pfx")}
,g.className=g.className.replace(/(^|\s)no-js(\s|$)/,"$1$2")+(f?" js "+s.join(" "):""),e}
(this,this.document),function(a,b,c){
function d(a){
return"[object Function]"==o.call(a)}
function e(a){
return"string"==typeof a}
function f(){
}
function g(a){
return!a||"loaded"==a||"complete"==a||"uninitialized"==a}
function h(){
var a=p.shift();
q=1,a?a.t?m(function(){
("c"==a.t?B.injectCss:B.injectJs)(a.s,0,a.a,a.x,a.e,1)}
,0):(a(),h()):q=0}
function i(a,c,d,e,f,i,j){
function k(b){
if(!o&&g(l.readyState)&&(u.r=o=1,!q&&h(),l.onload=l.onreadystatechange=null,b)){
"img"!=a&&m(function(){
t.removeChild(l)}
,50);
for(var d in y[c])y[c].hasOwnProperty(d)&&y[c][d].onload()}
}
var j=j||B.errorTimeout,l=b.createElement(a),o=0,r=0,u={
t:d,s:c,e:f,a:i,x:j}
;
1===y[c]&&(r=1,y[c]=[]),"object"==a?l.data=c:(l.src=c,l.type=a),l.width=l.height="0",l.onerror=l.onload=l.onreadystatechange=function(){
k.call(this,r)}
,p.splice(e,0,u),"img"!=a&&(r||2===y[c]?(t.insertBefore(l,s?null:n),m(k,j)):y[c].push(l))}
function j(a,b,c,d,f){
return q=0,b=b||"j",e(a)?i("c"==b?v:u,a,b,this.i++,c,d,f):(p.splice(this.i++,0,a),1==p.length&&h()),this}
function k(){
var a=B;
return a.loader={
load:j,i:0}
,a}
var l=b.documentElement,m=a.setTimeout,n=b.getElementsByTagName("script")[0],o={
}
.toString,p=[],q=0,r="MozAppearance"in l.style,s=r&&!!b.createRange().compareNode,t=s?l:n.parentNode,l=a.opera&&"[object Opera]"==o.call(a.opera),l=!!b.attachEvent&&!l,u=r?"object":l?"script":"img",v=l?"script":u,w=Array.isArray||function(a){
return"[object Array]"==o.call(a)}
,x=[],y={
}
,z={
timeout:function(a,b){
return b.length&&(a.timeout=b[0]),a}
}
,A,B;
B=function(a){
function b(a){
var a=a.split("!"),b=x.length,c=a.pop(),d=a.length,c={
url:c,origUrl:c,prefixes:a}
,e,f,g;
for(f=0;
f<d;
f++)g=a[f].split("="),(e=z[g.shift()])&&(c=e(c,g));
for(f=0;
f<b;
f++)c=x[f](c);
return c}
function g(a,e,f,g,h){
var i=b(a),j=i.autoCallback;
i.url.split(".").pop().split("?").shift(),i.bypass||(e&&(e=d(e)?e:e[a]||e[g]||e[a.split("/").pop().split("?")[0]]),i.instead?i.instead(a,e,f,g,h):(y[i.url]?i.noexec=!0:y[i.url]=1,f.load(i.url,i.forceCSS||!i.forceJS&&"css"==i.url.split(".").pop().split("?").shift()?"c":c,i.noexec,i.attrs,i.timeout),(d(e)||d(j))&&f.load(function(){
k(),e&&e(i.origUrl,h,g),j&&j(i.origUrl,h,g),y[i.url]=2}
)))}
function h(a,b){
function c(a,c){
if(a){
if(e(a))c||(j=function(){
var a=[].slice.call(arguments);
k.apply(this,a),l()}
),g(a,j,b,0,h);
else if(Object(a)===a)for(n in m=function(){
var b=0,c;
for(c in a)a.hasOwnProperty(c)&&b++;
return b}
(),a)a.hasOwnProperty(n)&&(!c&&!--m&&(d(j)?j=function(){
var a=[].slice.call(arguments);
k.apply(this,a),l()}
:j[n]=function(a){
return function(){
var b=[].slice.call(arguments);
a&&a.apply(this,b),l()}
}
(k[n])),g(a[n],j,b,n,h))}
else!c&&l()}
var h=!!a.test,i=a.load||a.both,j=a.callback||f,k=j,l=a.complete||f,m,n;
c(h?a.yep:a.nope,!!i),i&&c(i)}
var i,j,l=this.yepnope.loader;
if(e(a))g(a,0,l,0);
else if(w(a))for(i=0;
i<a.length;
i++)j=a[i],e(j)?g(j,0,l,0):w(j)?B(j):Object(j)===j&&h(j,l);
else Object(a)===a&&h(a,l)}
,B.addPrefix=function(a,b){
z[a]=b}
,B.addFilter=function(a){
x.push(a)}
,B.errorTimeout=1e4,null==b.readyState&&b.addEventListener&&(b.readyState="loading",b.addEventListener("DOMContentLoaded",A=function(){
b.removeEventListener("DOMContentLoaded",A,0),b.readyState="complete"}
,0)),a.yepnope=k(),a.yepnope.executeStack=h,a.yepnope.injectJs=function(a,c,d,e,i,j){
var k=b.createElement("script"),l,o,e=e||B.errorTimeout;
k.src=a;
for(o in d)k.setAttribute(o,d[o]);
c=j?h:c||f,k.onreadystatechange=k.onload=function(){
!l&&g(k.readyState)&&(l=1,c(),k.onload=k.onreadystatechange=null)}
,m(function(){
l||(l=1,c(1))}
,e),i?k.onload():n.parentNode.insertBefore(k,n)}
,a.yepnope.injectCss=function(a,c,d,e,g,i){
var e=b.createElement("link"),j,c=i?h:c||f;
e.href=a,e.rel="stylesheet",e.type="text/css";
for(j in d)e.setAttribute(j,d[j]);
g||(n.parentNode.insertBefore(e,n),m(c,0))}
}
(this,document),Modernizr.load=function(){
yepnope.apply(window,[].slice.call(arguments,0))}
;
CSS代码(demo.css):
@import url(http://fonts.googleapis.com/css?family=Raleway:400,500,700);@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;box-sizing:border-box;}
.clearfix:before,.clearfix:after{content:'';display:table;}
.clearfix:after{clear:both;}
body{background:#2A3947;color:#f0f0f0;font-weight:500;font-size:1em;font-family:'Raleway',Arial,sans-serif;}
a{color:#9DAAB6;text-decoration:none;outline:none;}
a:hover,a:focus{color:#fff;}
.hidden{position:absolute;pointer-events:none;width:0;height:0;overflow:hidden;}
/* Header */
.codrops-header{padding:3em 1em 4em;text-align:center;}
.codrops-header h1{font-weight:800;font-size:3em;line-height:1;margin-bottom:0;letter-spacing:-1px;}
.codrops-header h1 span{display:block;font-size:0.45em;font-weight:700;padding:1em;color:#16232F;}
/* Top Navigation Style */
.codrops-links{position:relative;display:inline-block;white-space:nowrap;font-size:1.25em;text-align:center;}
.codrops-links::after{position:absolute;top:0;left:50%;margin-left:-1px;width:2px;height:100%;background:#7b93ab;content:'';-webkit-transform:rotate3d(0,0,1,22.5deg);transform:rotate3d(0,0,1,22.5deg);}
.codrops-icon{display:inline-block;margin:0.5em;padding:0em 0;width:1.5em;text-decoration:none;}
.codrops-icon span{display:none;}
.codrops-icon:before{margin:0 5px;text-transform:none;font-weight:normal;font-style:normal;font-variant:normal;font-family:'codropsicons';line-height:1;speak:none;-webkit-font-smoothing:antialiased;}
.codrops-icon--drop:before{content:"\e001";}
.codrops-icon--prev:before{content:"\e004";}
/* Content */
.content{padding:3em 0;}
.box{padding:1em;min-height:240px;text-align:center;}
.box__title{color:rgb(22,35,47);text-transform:uppercase;letter-spacing:4px;font-size:1.1em;margin-bottom:1.5em;}
.box__title span{display:block;letter-spacing:0;font-size:75%;padding-top:1em;}
/* Related demos */
.content--related{text-align:center;color:#D8DADB;font-weight:bold;}
.media-item{display:inline-block;padding:1em;vertical-align:top;-webkit-transition:color 0.3s;transition:color 0.3s;}
.media-item__img{opacity:0.3;-webkit-transition:opacity 0.3s;transition:opacity 0.3s;}
.media-item:hover .media-item__img,.media-item:focus .media-item__img{opacity:1;}
.media-item__title{font-size:1em;margin:0;padding:0.5em;}
@media screen and (max-width:50em){.codrops-header{padding:3em 10% 4em;}
}
@media screen and (max-width:40em){.codrops-header h1{font-size:2.8em;}
}
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