css+js如何在幻灯片上添加文字？实现幻灯片的旋转切换（附代码）

<div id="stage">
	<a href="img/1.jpg" title="图片1">@@##@@</a>
	<a href="img/2.jpg" title="图片2">@@##@@</a>
	<a href="img/3.jpg" title="图片3">@@##@@</a>
	<a href="img/4.jpg" title="图片4">@@##@@</a>
	<a href="img/5.jpg" title="图片5">@@##@@</a>
	<a href="img/6.jpg" title="图片6">@@##@@</a>
	<a href="img/7.jpg" title="图片7">@@##@@</a>
	<a href="img/8.jpg" title="图片8">@@##@@</a>
</div>

#stage a::after {
    position: absolute;
    left: 11px;
    bottom: 11px;
    padding: 2px 0;
    width: calc(100% - 22px);
    background: rgba(0,0,0,0.5);
    text-align: center;
    content: attr(title);
    font-size: 1.1em;
    color: #fff;
  }	

#stage {
    margin: 1em auto;
    width: 640px;
    height: 400px;
    border: 10px solid #000;
    overflow: hidden;
  }
  #stage a {
    position: relative;
    display: inline-block;
  }
 #stage a::after {
    position: absolute;
    left: 11px;
    bottom: 11px;
    padding: 2px 0;
    width: calc(100% - 22px);
    background: rgba(0,0,0,0.5);
    text-align: center;
    content: attr(title);
    font-size: 1.1em;
    color: #fff;
  }

  #stage a:nth-of-type(2) {
    left: 640px;
    top: -50%;
    animation-name: slider;
    animation-delay: 4s;
    animation-duration: 1s;
    animation-timing-function: cubic-bezier(0,1.5,0.5,1);
  }
  #stage a:nth-of-type(n+3) {
    display: none;
  }

  @keyframes slider {
    from { transform: translateY(-50%) rotate(30deg); left: 360px; }
    to   { transform: translateY(-50%); left: 0px; }
  }

window.addEventListener("DOMContentLoaded", function(e) {

    var stage = document.getElementById("stage");
    var slideComplete = function(e) { stage.appendChild(arr[0]); };
    var arr = stage.getElementsByTagName("a");
    for(var i=0; i < arr.length; i++) {
      arr[i].addEventListener("animationend", slideComplete, false);
    }

  }, false);