body {
    font-family: Arial, sans-serif;
    max-width: 700px;
    margin: 60px auto;
    padding: 0 20px;
    background: #3656a8;
    color: #222;
}

.navigation {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
}

.button {
    display: inline-block;
    padding: 12px 20px;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    background-color: green;
    text-align: center;
}

button:hover {
    background-color: darkgreen;
}

.title {
    text-align: center;
}