.mfb-faq {
    max-width: 800px;
    margin: 40px auto;
    border-top: 1px solid #eee;
}

.mfb-item {
    border-bottom: 1px solid #eee;
}

.mfb-question {
    width: 100%;
    text-align: right;
    padding: 18px;
    background: #fff;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: 0.3s;
}

.mfb-question::after {
    content: "+";
    position: absolute;
    left: 20px;
    font-size: 20px;
    transition: 0.3s;
}

.mfb-item.active .mfb-question::after {
    content: "-";
}

.mfb-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: 0 18px;
    color: #555;
    line-height: 1.8;
}

.mfb-item.active .mfb-answer {
    max-height: 500px;
    padding-bottom: 20px;
}