.bg_huisnn {
    background-color: #f5f5f5;
    padding: 0px 40px;
    padding-bottom: 40px;
}
.kehu_anli {
    text-align: center;
    font-size: 24px;
    color: #333333;
    padding: 57px 0;
}
.ceng-sent{
    margin-bottom: 50px;
    width: 95%;
}
@media screen and (max-width: 960px){
    .bg_huisnn {
        background-color: #f5f5f5;
        padding: 0px 15px;
    }
}
.gobackto{
    width:100%;
    height:40px;
    margin:0 auto;
    position:relative;
}
.gobackto a{
    display:inline-block;
    width:100px;
    height:40px;
    line-height:40px;
    text-align:center;
    font-size:20px;
    color:white;
    border-radius:5px;
    background-color:#333;
    position:absolute;
    right:10%;
}