nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

nav ul li {
    float: left;
}

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

nav ul li a:hover {
    background-color: #111;
}

.active {
    background-color: #04AA6D;
}

nav ul li {
    border-right:1px solid #bbb;
}

footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: red;
    color: white;
    text-align: center;
}

#header {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    text-align: center;
}

#headertext {
    font-size: 50px;
}

body {
    background-color: lightblue;
}