body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            margin: 20px;
            background-color: #f4f4f4;
        }
        h1, h2, h3 {
            color: #0056b3;
        }
        section {
            background-color: #fff;
            padding: 20px;
            margin-bottom: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        ul {
            list-style-type: disc;
            margin-left: 20px;
        }
        ol {
            list-style-type: decimal;
            margin-left: 20px;
        }
        b {
            font-weight: bold;
        }
        .attachment {
            font-style: italic;
            color: #666;
        }
        pre {
            background-color: #eee;
            padding: 10px;
            border-radius: 5px;
            overflow-x: auto;
        }
        code {
            font-family: "Courier New", Courier, monospace;
            background-color: #e0e0e0;
            padding: 2px 4px;
            border-radius: 3px;
        }