body {
    font-family: Arial, sans-serif;
    background: #f4f6f9;
    margin: 0;
}

.container {
    max-width: 900px;
    margin: 30px auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
}

h1 {
    text-align: center;
}

h2 {
    margin-top: 20px;
}

p, li {
    color: #444;
    line-height: 1.6;
}

ul {
    padding-left: 20px;
}

a {
    color: #007BFF;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        margin: 15px;
        padding: 15px;
    }
}