li{
    list-style: none;
    /*list-style-type: none;*/
}
a{
    text-decoration: none;
    color:#000;
}
.title-img-box{
    width:1900px ;
    margin: 0 auto;
}
.title-img{
    margin-top: 80px;
}
*{
    margin: 0;
    padding: 0;
}

.clear_both{
    clear: both;
}