body {
    font-family: Arial;
    background: #0d1117;
    color: white;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

.card {
    background: #161b22;
    padding: 20px;
    border-radius: 10px;
}

a {
    color: #58a6ff;
}