html {
    background-color: #ccc; 
    color: #000; 
    font-family: Arial, Helvetica, sans-serif;
}

body { 
    max-width: 1000px;
    margin: 1em auto;
    padding: 1em;
    background-color: #fff;
}

#notice {
    background-color: #900; 
    color: #fff; 
    padding: 1em; text-align: center;
}