.control-box {
  width: 1200px;
	margin:0px auto;
	padding:25px 0 0px 0;
  text-align: center;
  position: relative;
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
  top: 30px;
  cursor: pointer;
}
.prev {
  left: -80px;
}
.next {
  right: -80px;
}
.bigbox {
  overflow: hidden;
  width: 1200px;
  height: 130px;
  margin: auto;
}
#switcher {
  height: 130px;
  width:118px;
  left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box {
  transition:all .7s ease 0s;
  height: 130px;
  width:118px;
}
.box:hover {
 opacity:0.5;
}