CSS3 animate图片自动淡入淡出效果实例页面(Safari/Chrome)

代码：

CSS代码：
@-webkit-keyframes fadeInOut {
    0% {
        opacity:1;
     }
    25% {
        opacity:0;
    }
    50% {
        opacity: 0;    
    }
    75% {
        opacity:1;
    }
}
.anim_fade_image {
    position:absolute;    
    -webkit-animation-name: fadeInOut;
    -webkit-animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-duration: 12s;
    -webkit-animation-direction: alternate;
}
HTML代码：
<img class="trans_fade_image" src="//image.zhangxinxu.com/image/study/p/s200/ps6.jpg" />
<img src="//image.zhangxinxu.com/image/study/p/s200/ps4.jpg" />

效果：