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

.navbar {
    background-color: #333;
    padding: 20px;
    width: 200px;
    height: 100vh;
    box-sizing: border-box;
}

.navbar a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
    text-align: center;
}

.navbar a:hover {
    background-color: #575757;
}

.main-content {
    flex-grow: 1;
    padding: 20px;
}

h1 {
    margin-top: 0;
}