body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #e0f2f7; /* Light blue */
    color: #333;
    text-align: center;
}

header {
    background-color: #0288d1; /* Darker blue */
    color: white;
    padding: 15px 0;
    margin-bottom: 20px;
    border-radius: 8px;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

main {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

p {
    line-height: 1.6;
    margin-bottom: 15px;
}

button {
    background-color: #ffc107; /* Amber/Yellow */
    color: #333;
    border: none;
    padding: 12px 25px;
    font-size: 1.1em;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #ffa000; /* Darker amber */
}

#message {
    margin-top: 20px;
    font-size: 1.2em;
    color: #00796b; /* Teal */
}

footer {
    margin-top: 30px;
    font-size: 0.9em;
    color: #666;
}