body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #222;
}

header {
    background: #111;
    color: #fff;
    text-align: center;
    font-weight: bold;
    padding: 20px;
}

h1 {
    margin: 0;
    font-size: 28px;
}

.box {
    background: #fff;
    margin: 20px;
    padding: 20px;
    font-weight: bold;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

h2 {
    margin-top: 0;
    color: #d41b1b;
}

ol {
    padding-left: 20px;
}

ol li {
    margin: 10px 0;
    padding: 8px 12px;
    background: #f0f0f0;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 15px;
    background: #111;
    color: white;
    margin-top: 20px;
}