.nav-button {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.prev-button {
    left: 20px;
}

.next-button {
    right: 20px;
}

.nav-button i {
    font-size: 24px;
}