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

#container {
    width: 700px;
    margin: 0 auto;
}

nav ul {
    list-style-type: disc;
}

fieldset {
    margin-bottom: 15px;
}

label {
    display: inline-block;
    min-width: 90px;
}

footer {
    margin-top: 20px;
}