.main {
    margin: 20px;
}

.main .content {
    font-size: 14px;
    color: #666666;
}

.main .top {
    margin-top: 20px;
}

.main .bottom {
    margin-bottom: 20px;
}

.main .indent {
    text-indent: 28px;
}

.main .unset-indent {
    text-indent: unset !important;
}

.main .title {
    font-size: 18px;
    font-weight: bold;
    color: #000000;
    text-align: center;
}

.main .min-title {
    font-size: 16px;
    font-weight: 500;
    color: #000000;
    margin: 20px 0 10px;
}

.main .small-title {
    font-size: 14px;
    font-weight: 500;
    color: #000000;
    margin: 20px 0 10px;
}