* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: Arial, sans-serif;
        }
        .header {
            background-color: #f9f7d9;
            text-align: center;
            padding: 20px;
        }
        .nav {
            margin-top: 10px;
        }
        .nav a {
            margin: 0 10px;
            text-decoration: none;
            color: black;
        }
        .container {
            display: flex;
            justify-content: space-between;
            padding: 20px;
        }
        .main-content {
            flex: 2;
            background: #f0f0f0;
            padding: 20px;
        }
        .sidebar {
            flex: 1;
            padding: 20px;
            text-align: center;
        }
        .sidebar img {
            width: 100px;
            height: 100px;
            border-radius: 50%;
        }
        .footer {
            text-align: center;
            padding: 20px;
        }
        .footer a {
            margin: 0 10px;
            text-decoration: none;
            color: blue;
        }