.message {
    border: 1px solid #ffcc77;
    padding: 10px;
    margin: 10px 0;
    font-size: 0.9em;
}
div.error, div.warning, span.warning, span.error {
    border: 1px solid red;
}
.message h4 {
    margin: 0 0 1em 0;
}