/* Chrome, Safari, Edge, Opera */
input.hidden-arrows[type=number]::-webkit-outer-spin-button,
input.hidden-arrows[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input.hidden-arrows[type=number] {
    -moz-appearance: textfield;
}

.is-invalid[required="true"] .custom-control-label {
    color: var(--danger);
}

.is-invalid[required="true"] .custom-control-label:before {
    border-color: var(--danger);
}