body {
    font-family: Arial, sans-serif;
    background-color: #e5f0ff;
    color: #002266;
    text-align: center;
    margin: 0;
    padding: 20px;
}

header {
    background-color: #99bbff;
    padding: 10px;
    border-bottom: 2px solid #0033cc;
}

a {
    color: #0033cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}