.control-box {
    width: 1200px;
    height: 160px;
    margin-left: auto;
    margin-right: auto;
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 30px;
  cursor: pointer;
  width: 60px;height: 100px;
  background: #ccc;
}
.prev {
  left: 0;
  top: 25px;

}
.next {
  right: 0;
}
.control-box ul li img{margin-left: 5px;margin-top: 25px}
.bigbox {
  overflow: hidden;
  width: 1080px;
  height: 160px;
  margin: auto 60px auto;

}
#switcher {
  height: 160px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  width: 260px;
  height: 160px;
  float: left;

}
.shadow {
  width: 260px;
  height: 160px;
  /* opacity: 1; */
  color: white;
  margin: 0 5px;
}
.shadow a {
  display: inline-block;
    width: 260px;
    height: 160px;
  color: white;
  text-decoration: none;

}
.shadow a img{
    width: 260px;
    height: 160px;
}