body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    height: 100vh;
    width: 100vh;
}

.sidebar {
    width: 220px;
    background-color: #2c3e50;
    color: white;
    padding: 20px;
}

.sidebar h2 {
    margin-top: 0;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
}

.sidebar ul li {
    margin: 15px 0;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
}

.main-content {
    flex: 1;
    padding: 30px;
    background: #f5f5f5;
}