纯CSS3实现轮播切换效果

<div class="slide-container">
<input type="radio" name="slider2" id="slider1" checked="checked" >
<input type="radio" name="slider2" id="slider2" >
<input type="radio" name="slider2" id="slider3" >
<input type="radio" name="slider2" id="slider4" >
<div class="slide_bd">
<ul class="list">
<li>
<img src="http://images2015.cnblogs.com/blog/561794/201604/561794-20160413010122691-69559955.jpg"/>
</li>
<li>
<img src="http://images2015.cnblogs.com/blog/561794/201604/561794-20160413010158301-1687814878.jpg"/>
</li>
<li>
<img src="http://images2015.cnblogs.com/blog/561794/201604/561794-20160413010311832-1730833656.jpg"/>
</li>
<li>
<img src="http://images2015.cnblogs.com/blog/561794/201604/561794-20160413010330816-951755840.jpg"/>
</li>
</ul>
</div>
<div class="num">
<label for="slider1"></label>
<label for="slider2"></label>
<label for="slider3"></label>
<label for="slider4"></label>
</div>
</div>

ul,li{list-style:none;}
.slide-container {position:relative;width:384px;height:512px;margin:0 auto;text-align:center;overflow:hidden;}
.slide-container input{display:none;}

.slide_bd {position:absolute;width:100%;height:100%;overflow:hidden;}

.slide_bd .list {position:absolute;left:0;top:0;width:400%;height:100%;-webkit-transition:left .5s ease-out;-moz-transition:left .5s ease-out;-o-transition:left .5s ease-out;-ms-transition:left .5s ease-out;transition:left .5s ease-out;}

.slide_bd .list li {float:left;}

/*  #slider1:checked~.slide_bd .list含义是：匹配#slider1选中的 后面的.slide_bd .list的元素 */
/* ~ 是兄弟元素选择器 E~F：匹配位于E元素后面的F元素*/

#slider1:checked~.slide_bd .list{left:0;}
#slider2:checked~.slide_bd .list{left:-100%;}
#slider3:checked~.slide_bd .list{left:-200%;}
#slider4:checked~.slide_bd .list{left:-300%;}

.slide_bd .list img{display:block;width:384px;height:512px;overflow:hidden;}

.num {position:absolute;bottom:10px;width:100%;}

.num label {display:inline-block;width:10px;height:10px;border-radius:10px;margin:0 5px;background:#999;}

/* 鼠标移动上去的时候 */
.num label:hover,
#slider1:checked~.num label:nth-child(1),
#slider2:checked~.num label:nth-child(2),
#slider3:checked~.num label:nth-child(3),
#slider4:checked~.num label:nth-child(4){
background:#f00;
cursor:pointer;
-webkit-transform:scale(1.3);
-moz-transform:scale(1.3);
-o-transform:scale(1.3);
-ms-transform:scale(1.3);
transform:scale(1.3)
}