.abb-button-wrapper {
    display: flex;
    gap: 15px;
    margin: 20px 0;
}

.abb-button {
    padding: 12px 20px;
    background-color: #ff9900;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.abb-button:hover {
    background-color: #e68a00;
}

.pdf-button {
    background-color: #0073aa;
}

.pdf-button:hover {
    background-color: #005177;
}

.audio-button {
    background-color: #28a745;
}

.audio-button:hover {
    background-color: #1e7e34;
}