#header {
    background: black;
    color: white;
    padding: 8px;

    overflow: auto;
}

#header-left {
    display: inline-block;
    float: left;
}

#header-right {
    display: inline-block;
    float: right;
    text-align: right;
}

span.username {
    font-style: italic;
}

body {
    background: #eeeeee;
}

#viewport {
    text-align: center;
}