html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}

#menu {
    text-align: center;
    padding: 10px;
    background-color: #1e73be;
    margin-bottom: 10px;
    font: bold 14px tahoma, verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif;
}