body {
    font-family: 'Arial', sans-serif;
    background-color: #C3E17D;
    margin: 0 15px;
    padding: 0;
}

header {
    background-color: #007bff;
    color: white;
    padding: 15px;
    text-align: center;
}

.container {
    margin: 20px auto;
    max-width: 600px;
    padding: 15px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}

.footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #6c757d;
}