body {
    background-color: cadetblue;
    font-family: 'Courier New', Courier, monospace;
}

#container {
    border: 2px dotted black;
    height: 400px;
    overflow-y: scroll;
    margin: 5px;
}
footer {
    position: absolute;
    padding: 5px;
    margin: 5px;
}