H5实现仿flash效果的实现代码(2)

body{
  background: #666;
}
ul{
  padding: 0;
  margin: 0;
}
li{
  list-style: none;
}
img{
  border:0;
  width: 100%;
  height: 100%;
}
.play{
  width: 400px;
  height: 430px;
  margin: 50px auto 0;
  background: #999;
  font: 12px Arial;

}
.big_pic{
  width: 400px;
  height: 320px;
  overflow: hidden;
  border-bottom: 1px solid #ccc;
  background: #222;
  position: relative;
}
.big_pic img{
  width: 400px;
  height: 320px;
}
.big_pic li{
  width: 400px;
  height: 320px;
  overflow: hidden;
  position: absolute;
  top:0;
  left:0;
  z-index: 0;
}
.mark_left{
   width: 200px;
   height: 320px;
   position: absolute;
   left: 0;
   top:0;
   /*background: red;*/
   opacity: 0;
  z-index: 3000;
 }
.mark_right{
  width: 200px;
  height: 320px;
  position: absolute;
  left: 200px;
  top:0;
  /*background: green;*/
  opacity: 0;
  z-index: 3000;
}
.big_pic .prev{
  width: 60px;
  height: 60px;
  background-image: url("../../img/练习/left.jpg");
  background-size: cover;
  position: absolute;
  top: 130px;
  left: 10px;
  z-index: 3001;
  opacity: 0;
  cursor: pointer;
}
.big_pic .next{
  width: 60px;
  height: 60px;
  background-image: url("../../img/练习/right.jpg");
  background-size: cover;
  background-position: 65px 60px;
  position: absolute;
  top: 130px;
  right: 10px;
  z-index: 3001;
  opacity: 0;
  cursor: pointer;
}
.big_pic .text{
  position: absolute;
  left: 10px;
  bottom: 4px;
  z-index: 3000;
  color: #ccc;
}
.big_pic .length{
  position: absolute;
  right: 10px;
  bottom: 4px;
   z-index: 3000;
  color: #ccc;
}
.big_pic .bg{
  width: 400px;
  height: 25px;
  background: #000;
  opacity: 0.6;
  position: absolute;
  z-index: 2999;
  bottom: 0;
  left:0;
}
.small_pic{
  width: 380px;
  height: 94px;
  position: relative;
  top: 7px;
  left: 10px;
  overflow: hidden;
}
.small_pic ul{
  height: 94px;
  position: absolute;
  top:0;
  left: 0;
}
.small_pic li{
  width: 120px;
  height: 94px;
  float: left;
  padding-right: 10px;
  cursor: pointer;
  opacity: 0.6;
}