body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f8ff;
    color: #333;
    margin: 0;
    padding: 0;
}

header {
    padding: 10px 20px;
}

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

    nav ul li {
        display: inline;
        margin-right: 20px;
    }

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

a {
    text-decoration: none;
}

footer {
    text-align: center;
    padding: 10px;
    position: relative;
    width: 100%;
    bottom: 0;
}