body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 50%;
    margin: 50px auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #000080;
    text-align: center;
}

a {
    display: block;
    margin: 10px 0;
    color: #000080;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}