a.city-ser-link {
    background: #337ab7;
    color: #fff;
    padding: 4px 14px;
    display: inline-block;
    margin: 4px 2px;
    border-radius: 20px;
    font-size: 14px;
    text-decoration: none;
}
a.city-ser-link.active {
    background: #034E8E;
}
.city-show {
    height: 300px;
    background-position: center;
    background-size: cover;
}
a.city-ser-link:hover {
    background: #28689E;
}
.city-sers {
    padding-top: 12px;
    border-top: 1px solid #DADADA;
}
.city-ser-title {
    font-weight: bold;
    font-size: 20px;
    margin-top: 12px;
    border-bottom: 1px solid #ddd;
    margin-bottom: 20px;
    padding-bottom: 8px;
}
.city-detail h3 {
    font-weight: bold;
}
.city-ser-detail {
    text-align: center;
    padding: 10px 0;
}

.city-ser-detail .title {
    font-size: 17px;
    font-weight: bold;
    margin-bottom: 15px;
}

.city-ser-detail .preview {
    margin: 0 0 15px;
}
.city-ser-detail .preview img{
    max-height: 200px;
}
.city-ser-empty {
    text-align: center;
    padding: 100px 0;
}
.city-ser-detail .content {
    text-align: left;
    width: 800px;
    margin: 0 auto;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}
.city-ser-detail:last-child .content {
    border-bottom: none;
}