.center-img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.qfsw-icon-bar {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    margin-bottom: 15px;
}

.qfsw-icon-bar-mini {
    margin-top: 0px;
    margin-bottom: 0px;
    margin-left: 5px;
    margin-right: 5px;
    align-items: baseline;
}

.qfsw-icon-btn {
    color:#DFDFDF;
    margin-left: 10px;
    margin-right: 10px;
    transition: color 0.2s;
}

.qfsw-icon-btn:hover {
    color:#888888;
}

.qfsw-icon-btn-mini {
    margin-left: 5px;
    margin-right: 5px;
}