body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f6f8;
    color: #333;
}

header {
    background: #1e3a5f;
    color: white;
    padding: 30px;
    text-align: center;
}

nav {
    background: white;
    padding: 15px;
    text-align: center;
}

nav a {
    margin: 20px;
    text-decoration: none;
}

section {
    background: white;
    margin: 30px auto;
    padding: 25px;
    max-width: 800px;
    border-radius: 10px;
}

.button {
    display: inline-block;
    background: #26734d;
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 20px;
}