body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

header {
    margin-bottom: 20px;
}

footer {
    margin-top: 40px;
}

.navbar {
    margin-bottom: 20px;
}

section {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

form {
    max-width: 500px;
}