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

header {
    text-align: center;
    background-color: #f2f2f2;
    padding: 20px;
}

header img {
    border-radius:5%;
    max-width: 250px;
}

nav {
    background-color: #333;
}

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

nav li {
    float: left;
}

nav a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

nav a:hover {
    background-color: #ddd;
    color: black;
}

section {
    padding: 20px;
}

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

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

footer a {
    color: white;
    text-decoration: none;
}

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