.center-wrapper {
    text-align:center;
}

.menu {
    position:fixed;
    background-color:#555;
    color:#FFF;
    width:100%;
    height:20px;
}

.menu: a{
    color:#FFF;
}

body {
    font-family:arial,helvetica,sans-serif;
}

code {
    font-weight:bold;
    background-color:#DDD;
}

a {
    text-decoration:none;
    color:#060;
}