*{
    margin: 0;
    padding: 0;
}

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

header {
    background-color: #f2f2f2;
    text-align: center;
    padding: 20px 0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #333;
}

nav ul li {
    margin: 0 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 14px 16px;
}

section {
    padding: 50px 20px;
}

footer {
    background-color: #f2f2f2;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 10px 0;
}