body {
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    margin: 0;
    padding: 0;
}

header {
    text-align: center;
    padding: 30px;
    background: #1e293b;
}

h1 {
    margin: 0;
    font-size: 2.5rem;
}

.card {
    background: #1e293b;
    margin: 20px auto;
    padding: 20px;
    width: 80%;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

h2 {
    border-bottom: 2px solid #38bdf8;
    padding-bottom: 5px;
}

ul {
    list-style: square;
}

footer {
    text-align: center;
    padding: 15px;
    background: #1e293b;
}