div.red{
    background: #ff0000;
    width: 100px;
    height: 20px;
    display:inline;
    padding: 10px;
}
div.green{
    background: #00ff00;
    width: 100px;
    height: 20px;
    display:inline;
    padding: 10px;
}
div.blue{
    background: #0000ff;
    width: 100px;
    height: 20px;
    display:inline;
    color: #ffffff;
    padding: 10px;
}
p.caution{
    color:#ff0000;
}