.cfuu_form {
    border: 2px solid #c0c0c0;
    border-radius: .5em;
    padding: 1em;
    background: #f8f8f8;
}

.cfuu_form input[type=submit] {
    margin-top: .5em;
}

.cfuu_result {
    margin-top:1em;
    border-width: 2px;
    border-style: solid;
    border-radius: .5em;
    padding: .5em;
    background: #f8f8f8;
}

.cfuu_ok {
    border-color: #00ff00;
    background: #f0fff0;
    color: #008000;
}

.cfuu_error {
    border-color: #ff0000;
    background: #fff0f0;
    color: #800000;
}