body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f6f9;
    text-align: center;
}

header {
    background-color: #2d89ef;
    color: white;
    padding: 40px 20px;
}

.card {
    background: white;
    margin: 20px auto;
    padding: 20px;
    width: 60%;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
}

ul {
    list-style: none;
    padding: 0;
}

li {
    padding: 5px;
}

footer {
    margin-top: 40px;
    padding: 20px;
    background-color: #222;
    color: white;
}