body {
    background-color: #f7f7f7;
    font-family: Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.card {
    max-width: 900px;
    width: 100%;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 30px;
    text-align: center;
}

a {
    color: #007bff;
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

h1 {
    margin-top: 0;
}