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

header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background: #34495e;
    padding: 10px;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

section {
    padding: 20px;
    margin: 20px auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
}

.profile-img {
    width: 150px;
    border-radius: 50%;
    display: block;
    margin: 10px auto;
}

footer {
    text-align: center;
    padding: 10px;
    background: #2c3e50;
    color: white;
}