.container {
            padding: 20px;
            display: flex;
            flex-direction: row;
            gap: 20px;
        }
        .sidebar {
            width: 250px;
        }
        .header {
            text-align: center;
            padding: 20px;
        }
        .header img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
        }
        .menu {
            background-color: #fff;
            padding: 15px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            border-radius: 10px;
        }
        .menu a {
            display: block;
            padding: 10px;
            margin: 10px 0;
            text-decoration: none;
            color: #333;
            background-color: #eee;
            border-radius: 5px;
        }
        .menu a i {
            margin-left: 10px;
        }
        h3 {
            color: #333;
        }