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

.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
}

header {
    background: #1e293b;
    text-align: center;
    padding: 40px 0;
}

h1 {
    margin: 0;
    font-size: 36px;
}

h2 {
    margin-top: 30px;
    color: #38bdf8;
}

ul {
    padding-left: 20px;
}

footer {
    background: #020617;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    font-size: 14px;
}