@ -946,7 +946,7 @@ func (s *Server) handleValidateCarNumber() http.HandlerFunc {
if !isUnique {
w.Write([]byte("<div id='car-number-validation-error' class='alert alert-danger'>Car number is already in use</div>"))
} else {
w.Write([]byte("<div id='car-number-validation-error'></div>"))
w.Write([]byte("<div class='invalid-feedback' id='car-number-validation-error'></div>"))
}