图片淡出

HTML

<div class="box">               
    <span class="text">只有图片淡出，文案一直100%透明</span>
    <img class="fade" src="1.jpg">
</div>
					    

CSS

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

.box {
  width: 256px; height: 192px;
  position: relative;
  overflow:hidden;
}
.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 {
  animation: fadeIn 2s 2s infinite; 
}
					    

JS

//no