.nav {
    margin-top: 20px;
    list-style: none;
    padding: 0;
    display: flex;
}

.nav li {
    display: inline-block;
    margin-right: 20px;
}

.nav-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    text-decoration: none;
    color: #666;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background-color: #e9ecef;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.nav-icon {
    font-size: 24px;
    margin-bottom: 0px;
}

.nav-text {
    font-size: 12px;
}