body {
    background-color: #f4f6f9;
}

.main-container {
    max-width: 900px;
}

.nav-tabs .nav-link {
    cursor: pointer;
    color: #495057;
    font-size: 1.1rem;
    border: none;
    padding: 12px 20px;
}

.nav-tabs .nav-link:hover {
    color: #0d6efd;
    background-color: transparent;
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    font-weight: bold;
    border-bottom: 3px solid #0d6efd;
    background-color: transparent;
}

.tab-hidden {
    display: none;
}

.large-icon {
    font-size: 2.5rem;
}

#metabasePlayer {
    opacity: 1;
}

#subCategoryButtons button{
    min-width:160px;
}