message: Improve code and fix problem with amount input
diff: .rednote {
  font-size: 12px;
  - color: #aaa;
  height: 0px;
  color: $color-f-error;
  position: absolute;
  bottom: -15px;
  +
  &.bottom0 {
  - bottom: 0px;
  + bottom: -2px;
  }
  }
  