.tiele-img{
    width: 100%;
    height: 200px;
    background-image: url("../images/help.jpg");

}
.tiele-img img{
    margin-top: 60px;
    margin-left: 45px;
}
table{
    margin-top: 50px;
    width: 100%;
}
tr{
    width: 100%;
}
td{
    width: 25%;
    height: 355px;
    text-align: center;
}
td a {
    display: inline-block;
    height: 192px;
    width: 192px;
    border: 1px solid #02A1EA;
    -webkit-border-radius: 40px;
    -moz-border-radius: 40px;
    border-radius: 40px;
    text-align: center;
    line-height: 192px;
    background-color: white;
}
td a img{
    vertical-align: middle;
}
td h6{

    font-size: 20px;
    margin-top: 35px;
    color: #666;
}
.serverBox{
    margin-top: 10px;
    margin-bottom: 80px;
}
.serverBox li{
    float: left;
    margin-top: 80px;
    padding: 0 52px;

}
.serverBox li img{
    height: 195px;
    width: 195px;
}