#fixedHeader2 {
    width: 100%;
    max-height: 60px;
    overflow: hidden;
    background-color: #f2f2f2;
    opacity: 1;
    transition: all 0.3s ease;
}

#fixedHeader2.hidden {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
}