body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}
header {
    background: #003366;
    color: #fff;
    padding: 1em;
    text-align: center;
}
nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}
main {
    padding: 20px;
}
footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 1em;
    position: fixed;
    bottom: 0;
    width: 100%;
}
form input, form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
}
button {
    background: #003366;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}