CSS3 fadeIn淡入animation动画相关有趣显示现象实例页面

CSS代码：

@keyframes fadeIn {
  0% { 
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.box {
  width: 256px; height: 191px;
  position: relative;
}
.text {
  line-height: 30px;
  position: absolute; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,.5);
  color: #fff;
  text-align: center;
  font-size: 14px;
}
.fade {
  -webkit-animation: fadeIn 2s 2s infinite;
  animation: fadeIn 2s 2s infinite;	
}
                

HTML代码：

<div class="box">            	
    <span class="text">快播的辩词再精彩 也不配赢得掌声</span>
    <img class="fade" src="mm1.jpg">
</div>