body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 50px;
    background-color: #333;
    color: white;
}
.menu-button {
    background-color: #555;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    cursor: pointer;
    margin: 20px;
}
.menu-button:hover {
    background-color: #777;
}
.avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
}