#doc-ft {
    padding: 20px 0;
    background-color: #393838;
    text-align: center;
    color: #fff;
    clear: both;
}
.ftnav {
    max-width: 1700px;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    justify-content: center;
}
.ftnav li {
    float: left;
    margin: 10px;
}
.ftnav li a {
    color: #fff;
}
.container {
    max-width: 1700px;
    margin: 0 auto;
}
.container .footer {
    text-align: center;
    font-size: 14px;
}
.footer a {
    color: #fff;
}