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

.sidebar {
    background-color: black;
    width: 200px;
    height: 100%;
    position: fixed;
    display: flex;
    align-items: center;
    flex-direction: column;
    z-index: 100;
}

.menu-box {
    color: white;
    background-color: black;
    border: none;
    font-size: 16px;
    margin-top: 20px;
}

.content {
    background-color: white;
    margin-left: 200px;
    padding: 0;
}