.control-box {
    width: 1100px;
    height: 190px;
    margin-left: auto;
    margin-right: auto;
}
.control-box ul {
  list-style: none;
  position: relative;
}
.control-box ul li {
  position: absolute;
    top: 80px;
    cursor: pointer;
    z-index: 999;
    width: 45px;
    height: 45px;
    overflow: hidden;
    border-radius: 0px 30px 30px 0px;
}
.prev1 {
  left: -50px;
background: url(../img/to_left1.png) no-repeat;
background-size: 100% 100%;
}
.prev1:hover{
background: url(../img/to_left2.png) no-repeat;
background-size: 100% 100%;
}
.prev1 img{
	position: relative;
    top: -22px;
    left: -5px;
}
.next1 {
  right: -50px;
background: url(../img/to_right1.png) no-repeat;
background-size: 100% 100%;
}
.next1:hover{
background: url(../img/to_right2.png) no-repeat;
background-size: 100% 100%;
}
.next1 img{
	width: 100%;
}
.bigbox {
	overflow: hidden;
    width: 1100px;
    height: 190px;
    margin: 0px auto;
    background-color: white;
}
#switcher {
    height: 169px;
    margin-top: 10px;
	left: 0px;
}
.content_1.content_2 {
  width: 100%;
  float: left;
}
.box1 {
  transition:all .7s ease 0s;
  width: 200px;
  height: 169px;
  float: left;
  border-left: 3px white solid;
}
.box1 img{
	width: 100%;
	height: 100%;
}
.box1:hover {
 opacity:0.5;
}
.shadow {
  width: 255px;
  height: 60px;
  /* opacity: 1; */
  background-color: rgba(0, 0, 0, 0.45);
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000);
  margin-top: 130px;
  color: white;
  font-size: 14px;
}
.shadow a {
  display: inline-block;
  width: 225px;
  height: 60px;
  color: white;
  text-decoration: none;
  margin-left: 18px;
  margin-top: 10px;
}
@media screen and (max-width: 750px) {
    .control-box{
        width: 100%;
    }
	.bigbox{
		width: 68%;
	}
	.prev1{
		left: -10px;
	}
	.next1{
		right:-10px
	}
}