.validation-fail {
    border: 1px solid red !important;
}

.validation-pass {
    border: 1px solid green;
}

.validation-error-message {
    color: red;
    font-size: 0.9em;
    display: block;
    margin-top: 5px;
}

input[type="submit"]:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}