form.cmxform label.error, label.error {
    /* remove the next line when you have trouble in IE6 with labels in list */
    margin:10px;
    color: red;
    font-style: italic;
    border: 1px solid red;
    display: none !important;
}
form.cmxform input.error, input.error {
border:1px solid red;
}
.has_error{ background: red;}