body {
        font-family: Arial, sans-serif;
        background-color: #f4f4f9;
        color: #333;
        margin: 0;
    }
    h1 {
        color: #4CAF50;
        text-align: center;
        font-size: 2.5em;
    }
    h2 {
        color: #333;
        border-bottom: 2px solid #4CAF50;
        padding-bottom: 5px;
    }
    p {
        line-height: 1.6;
        margin: 20px 0;
    }
    ul {
        margin: 20px 0;
        padding-left: 20px;
    }
    li {
        margin-bottom: 10px;
    }
    .content-container {
        max-width: 800px;
        margin: 0 auto;
        background-color: #fff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }
    footer {
        text-align: center;
        margin-top: 40px;
        font-size: 0.9em;
        color: #888;
    }