body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 20px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

.bio-container {
    text-align: center;
    margin-top: 20px;
}

.bio-container img {
    display: block;
    margin: 0 auto 20px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid #333;
}

.bio-container p {
    text-align: justify;
    margin: 10px 0;
}