div.message.success {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
    color: #3c763d;
    background-color: #dff0d8;
    border-color: #d6e9c6;
}

div.message.error {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
    color: #a94442;
    background-color: #ecaaaa;
    border-color: #ecc0c8;
}

div.alert.hidden {
    visibility: hidden;
    display: none;
}