styles.css

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

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

nav {
    background-color: gray;
    padding: 10px;
    margin: 0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-around;
}

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

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

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
}

section {
    padding: 20px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1em;
    position: fixed;
    bottom: 0;
    width: 100%;
}

h2{
    text-align: center;
}