这是一款基于jQuery和CSS3的焦点图动画插件，插件非常迷你，功能也比较简单，它的特点是图片切换按钮类似一条时间轴，点击时间轴的圆圈即可切换到相应的图片。点击切换按钮时，按钮会出现渐隐渐显的发光特效，图片切换过程中整张图片过渡的效果非常柔和，并且图片描述也相应以动画的方式显示在图片上，是一款非常棒的CSS3图片切换组件。
HTML代码：
<div id="gal"> <nav class="galnav"> <ul> <li><input type="radio" name="btn" value="one" checked="checked" /> <label for="btn"></label> <figure> <img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/01_Fabio_Basile.jpg" /> <figcaption> <h4>Fabio Basile</h4> <nav role='navigation'> <p>iPhone 6 Infinity</p> <ul> <li><a href="#" class="entypo-dribbble"> </a></li> <li><a href="#" class="entypo-twitter"></a> </li> </ul> </nav> </figcaption> </figure> </li> <li><input type="radio" name="btn" value="two" /> <label for="btn"> </label> <figure class="entypo-forward"> <img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/08_Brian_Miller.jpg" /> <figcaption> <h4>Brian Miller</h4> <nav role='navigation'> <p>TypeTi.me</p> <ul> <li><a href="#" class="entypo-dribbble"></a> </li> <li><a href="#" class="entypo-twitter"></a> </li> </ul> </nav> </figcaption> </figure> </li> <li><input type="radio" name="btn" value="three" /> <label for="btn"> </label> <figure class="entypo-forward"> <img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/05_Nicolas_Quod.jpg" /> <figcaption> <h4>Nicolas Quod</h4> <nav role='navigation'> <p>Iphone 6 - Notification - iOS 7</p> <ul> <li> <a href="#" class="entypo-dribbble"> </a></li> <li> <a href="#" class="entypo-twitter"> </a></li> </ul> </nav> </figcaption> </figure> </li> <li><input type="radio" name="btn" value="four" /> <label for="btn"> </label> <figure class="entypo-forward"> <img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/04_Joffrey.jpg" /> <figcaption> <h4>Joffrey</h4> <nav role='navigation'> <p>功能齐全</p> <ul> <li><a href="#" class="entypo-dribbble"> </a></li> <li><a href="#" class="entypo-twitter"> </a></li> </ul> </nav> </figcaption> </figure> </li> <li><input type="radio" name="btn" value="five" /> <label for="btn"> </label> <figure class="entypo-forward"> <img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/09_Jared_Long.jpg" /> <figcaption> <h4>Jared Long</h4> <nav role='navigation'> <p>Don't drop your iPhone Infinity</p> <ul> <li> <a href="#" class="entypo-dribbble"> </a></li> <li> <a href="#" class="entypo-behance"> </a></li> </ul> </nav> </figcaption> </figure> </li> <li><input type="radio" name="btn" value="six" /> <label for="btn"> </label> <figure class="entypo-forward"> <img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="images/02_Charles_Treece.jpg" /> <figcaption> <h4>Charles Treece</h4> <nav role='navigation'> <p>iPhone 6 Infinity Side Status Bar</p> <ul> <li> <a href="#" class="entypo-dribbble"> </a></li> <li> <a href="#" class="entypo-twitter"> </a></li> </ul> </nav> </figcaption> </figure> </li> </ul> </nav></div>
CSS代码
因为这款焦点图插件并没有使用任何JS代码，所以，图片切换功能全部依赖CSS3相关特性，具体的CSS代码如下：
#gal { position:relative; width:600px; height:300px; margin:0 auto; top:100px; background:white; -webkit-box-shadow:0px 0px 0px 10px white, 5px 5px 0px 10px rgba(0,0,0,0.1); -moz-box-shadow:0px 0px 0px 10px white, 5px 5px 0px 10px rgba(0,0,0,0.1); box-shadow:0px 0px 0px 10px white, 5px 5px 0px 10px rgba(0,0,0,0.1); -webkit-transform:translate3d(0, 0, 0); -moz-transform: translate3d(0, 0, 0); -ms-transform: translate3d(0, 0, 0); -o-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0);
}#gal:after { content:''; position:absolute; bottom:24px; right:0; left:0; width:100%; height:1px; background:rgba(255,255,255,0.35); z-index:3;
}#gal ul {list-style-type:none;}input[type="radio"], input[type="radio"] + label { position:absolute; bottom:15px; display:block; width:20px; height:20px; -webkit-border-radius:50%; -moz-border-radius:50%; border-radius:50%; cursor:pointer;
}input[type="radio"] { opacity:0; z-index:9;
}input[value="one"], input[value="one"] + label {left:20px;}input[value="two"], input[value="two"] + label {left:128px;}input[value="three"], input[value="three"] + label {left:236px;}input[value="four"], input[value="four"] + label {left:344px;}input[value="five"], input[value="five"] + label {left:452px;}input[value="six"], input[value="six"] + label {right:20px;}input[type="radio"] + label { background:rgba(255,255,255,0.35); z-index:7; -webkit-box-shadow:0px 0px 0px 0px rgba(255,255,255,0.15); -moz-box-shadow:0px 0px 0px 0px rgba(255,255,255,0.15); box-shadow:0px 0px 0px 0px rgba(255,255,255,0.15); -webkit-transition:all .3s; -moz-transition:all .3s; -o-transition:all .3s; transition:all .3s;
}[class*="entypo-"]:before { position:absolute; font-family: 'entypo', sans-serif;
}figure[class*="entypo-"]:before { left:10px; top:5px; font-size:2rem; color:rgba(255,255,255,0); z-index:1; -webkit-transition:color .1s; -moz-transition:color .1s; -o-transition:color .1s; transition:color .1s;
}a[class*="entypo-"]:before { top:8px; left:9px; font-size:1.5rem; color:white;
}a:hover[class*="entypo-"]:before { color:white;
}figure, figure img, figcaption { position:absolute; top:0; right:0;
}figure { bottom:0; left:0; width:600px; height:300px; display:block; overflow:hidden;
}figure img { bottom:0; left:0; display:block; width:600px; height:300px; z-index:1; -webkit-transform:translateX(600px); -moz-transform:translateX(600px); -ms-transform:translateX(600px); -o-transform:translateX(600px); transform:translateX(600px); -webkit-transition:all .15s .15s, z-index 0s; -moz-transition:all .15s .15s, z-index 0s; -o-transition:all .15s .15s, z-index 0s; transition:all .15s .15s, z-index 0s;
}figcaption { display:block; width:270px; height:300px; padding-top:20px; background-image:radial-gradient(rgba( 255,255,255,0.3), transparent); background-size:600px 600px; background-repeat:no-repeat; background-position:-300px -150px; text-align:center; z-index:3; -webkit-box-shadow:-5px 0px 20px rgba(0,0,0,0.1); -moz-box-shadow:-5px 0px 20px rgba(0,0,0,0.1); box-shadow:-5px 0px 20px rgba(0,0,0,0.1); -webkit-transform:translateX(300px); -moz-transform:translateX(300px); -ms-transform:translateX(300px); -o-transform:translateX(300px); transform:translateX(300px); -webkit-transition:all .35s; -moz-transition:all .35s; -o-transition:all .35s; transition:all .35s;
}h4 { display:inline-block; padding:0 15px; color:white; font-family: 'Titillium Web', sans-serif; font-weight:300; font-size:2rem;
}figcaption nav ul {display:block;padding-top:10px;}figcaption nav ul li {display:inline-block;margin-left:5px;}figcaption nav ul li a { position:relative; display:block; width:40px; height:40px; background:rgba(255,255,255,0.2); text-decoration:none; color:white; -webkit-border-radius:50%; -moz-border-radius:50%; border-radius:50%; -webkit-box-shadow:inset 0px 0px 0px 0px rgba(255,255,255,0); -moz-box-shadow:inset 0px 0px 0px 0px rgba(255,255,255,0); box-shadow:inset 0px 0px 0px 0px rgba(255,255,255,0); -webkit-transition:all .15s; -moz-transition:all .15s; -o-transition:all .15s; transition:all .15s;
}figcaption nav ul li a:hover { background:rgba(255,255,255,0); -webkit-box-shadow:inset 0px 0px 0px 2px rgba(255,255,255,1); -moz-box-shadow:inset 0px 0px 0px 2px rgba(255,255,255,1); box-shadow:inset 0px 0px 0px 2px rgba(255,255,255,1);
}figcaption p { padding:50px 15px; font-family:'Titillium Web', sans-serif; font-weight:300; color:#333; background-image:-webkit-gradient(linear, 0 0, 0 100%, from(rgba(255,255,255,0.35)), color-stop(0.3, rgba(255,255,255,0.35)), color-stop(0.3, transparent), color-stop(0.7, transparent), color-stop(0.7, rgba(255,255,255,0.35)), to(rgba(255,255,255,0.35))); background-image:-webkit-linear-gradient(rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.35) 30%, transparent 30%, transparent 70%, rgba(255,255,255,0.35) 70%, rgba(255,255,255,0.35) 100%); background-image:-moz-linear-gradient(rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.35) 30%, transparent 30%, transparent 70%, rgba(255,255,255,0.35) 70%, rgba(255,255,255,0.35) 100%); background-image:-o-linear-gradient(rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.35) 30%, transparent 30%, transparent 70%, rgba(255,255,255,0.35) 70%, rgba(255,255,255,0.35) 100%); background-image:linear-gradient(rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.35) 30%, transparent 30%, transparent 70%, rgba(255,255,255,0.35) 70%, rgba(255,255,255,0.35) 100%); background-size:1px 100%; background-repeat:no-repeat; background-position:50% 0%;
}input[type="radio"]:hover + label { background:rgba(255,255,255,0.6);
}input[type="radio"]:checked + label { background:rgba(255,255,255,1); -webkit-box-shadow:0px 0px 0px 5px rgba(255,255,255,0.3); -moz-box-shadow:0px 0px 0px 5px rgba(255,255,255,0.3); box-shadow:0px 0px 0px 5px rgba(255,255,255,0.3);
}input[type="radio"]:checked + label:before {}input[type="radio"]:checked ~ figure img { z-index:2; -webkit-transform:translatex(0px); -moz-transform:translatex(0px); -ms-transform:translatex(0px); -o-transform:translatex(0px); transform:translatex(0px); -webkit-transition:all .15s, z-index 0s; -moz-transition:all .15s, z-index 0s; -o-transition:all .15s, z-index 0s; transition:all .15s, z-index 0s;
}input[type="radio"]:checked ~ figure[class*="entypo-"]:before { z-index:3; color:rgba(255,255,255,0.5); -webkit-transition:color .5s; -moz-transition:color .5s; -o-transition:color .5s; transition:color .5s;
}input[type="radio"]:checked ~ figure figcaption { z-index:8; -webkit-transform:translateX(0px); -moz-transform:translateX(0px); -ms-transform:translateX(0px); -o-transform:translateX(0px); transform:translateX(0px); -webkit-transition:all .35s, .7s; -moz-transition:all .35s, .7s; -o-transition:all .35s, .7s; transition:all .35s, .7s;
}本文链接：http://www.codeceo.com/article/mini-css3-timeline-image-player.html本文作者：码农网 – 小峰
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