.navigation-bar {
    height: 40px;
    background-color: #f6f6f6;
    position: relative;
}

.ff-content {
    width: 1000px;
    text-align: center;
    margin: 0 auto;
    height: 40px;
}

.ff-tab {
    margin: 10px 25px 0 25px;
    font-size: 14px;
    color: #404040;
    display: inline-block;
    position: relative;
    width: 56px;
}

.ff-tab a {
    text-decoration: none;
    color: #1993d1;
}

.ff-tab a:hover {
    color: #404040;
}

.ff-show {
    height: 40px;
    line-height: 40px
}

.ff-show:hover {
    color: #3b80c6;
}