body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}
a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}