body {
    font-size:100%;
}

#centered {
    width:600px;
    margin-left:auto;
    margin-right:auto;
}

#header {
    background:lightblue;
    font-size:1.5em;
    text-align:center;
    padding:5px;
}

#nav {
    background:lightblue;
    font-size:1.2em;
    padding:5px;
}

#nav ul li {
    list-style-type:none;
    display:inline;
}

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

#navbar {
    left-padding:0;
}

#navbar li {
    margin:0 8px;
}

#section {
    font-size:1em;
    text-align:left;
    padding:5px;
}

#top {
    text-align:center;
}