.root:not(:last-child) {
    margin-bottom: 20px;
}

.title {
    box-sizing: content-box;
    padding: 6px 20px;
    margin: 0;
    height: 30px;
    line-height: 30px;
    color: #333;
    background-color: #f5f7fa;
    border-bottom: 1px solid #e1e8ed;
}

.list {}