.has-error input {
    border-color: red !important;
}

.input-group--error {
    display: none;
}
.has-error .input-group--error {
    display: block;
}
.d-flex {
    display: flex;
}
.flex-direction-column {
    flex-direction: column;
}
.justify-content-flex-end {
    justify-content: flex-end;
}