body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    background-color: #f0f0f0;
    text-align: center;
}

#container {
    padding: 20px;
    max-width: 80%;
}

#message {
    font-size: 1.2em;
    margin-bottom: 20px;
}

#tipButton {
    padding: 15px 30px;
    font-size: 1.5em;
    cursor: pointer;
    background-color: #ffd700; /* Gold/Yellow color for tipping */
    color: #333;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
    min-width: 150px;
}

#tipButton:active {
    background-color: #e6c200;
}