body {
    margin: 0;
    padding: 0;
    color: #000000;
    background-color: #ffffff;
    font-family: "Helvetica", "Arial", sans-serif;
}

h1 {
    font-size: 160%;
}

h2 {
    font-size: 140%;
}

h3 {
    font-size: 120%;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

span.error {
    color: #ff0000;
    font-weight: bold;
}