.validation.callout {
    display: none;
}

.callout {
    border: 1px solid #ddd;
    border-left-color: #d9534f;
    border-left-width: 5px;
    border-radius: 3px;
    margin-top:8px;
    padding: 4px 8px 8px 12px;
    font-style: italic;
    font-size: 13px;

}

.callout h4 {
    border-left-color: #d9534f;
    margin-top: 0;
    margin-bottom: 5px;
    color: red; 
    font-size: 16px; 
    font-weight: normal;
}

form.invalid {
    background-color: transparent;
}