body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #f4f4f4;
    padding: 1rem;
    margin-bottom: 2rem;
}

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

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

h1 {
    color: #2c3e50;
}

.profile-picture {
    max-width: 200px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: #777;
}