.control-box {
    width: 1280px;
    height: 160px;
    background-size: 1055px;
    background-repeat: no-repeat;
    background-position: 60px 165px;
    margin-left: auto;
    margin-right: auto;
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 50px;
  cursor: pointer;
}
.prev {
  left: 0;
}
.next {
  right: 0;
}
.bigbox {
    overflow: hidden;
    width: 1200px;
    height: 250px;
    margin: auto 70px auto;
}
#switcher {
    height: 250px;
    left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  width: 255px;
  height: 190px;
  float: left;
  border-left: 3px white solid;
}
.box:hover {
 opacity:0.5;
}
.shadow {
    width: 255px;
    height: 60px;

  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000);
    margin-top: 190px;
    color: white;
    font-size: 15px;
}
.shadow a {
    display: inline-block;
    width: 225px;
    color: #3B3B3B;
    text-decoration: none;
    margin-left: 18px;
    margin-top: 10px;
}