body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

h2 {
    color: #333;
    grid-column: 1 / -1; /* Span the entire width */
}

#randomNumber, #urlDisplay {
    margin: 20px 0;
    font-size: 20px;
    font-weight: bold;
    color: #5a5a5a;
    grid-column: 1 / -1; /* Span the entire width */
}

#qrcode {
    padding: 10px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #45a049;
}

#urlDisplay {
    margin-top: 15px;
    padding: 10px;
    background-color: #e9e9e9;
    border-radius: 5px;
    color: #333;
    font-size: 14px;
    word-break: break-all; /* Ensures the URL wraps in the container */
}