.input-group .validationMessage {
    position: absolute;
    bottom: -14px;
    z-index: 1;
    right: 0;
    max-width: 250px;
    box-shadow: 0 0.1rem 0.5rem rgba(0, 0, 0, 0.3) !important;
}

.validationMessage {
    background-color: #dc3545 !important;
    font-size: 12px;
    padding: 4px 7px;
    color: #fff;
    text-align: center;
    background-color: #000;
    border-radius: 0.25rem;
}