input[type='number'] {
  -moz-appearance: textfield;
}

input[type='text'],
input[type='number'] {
  appearance: none;
  box-shadow: none;
  border-radius: none;
  text-align: center;
  font-size: 1em;
  color: $color-silver;
  border: none;
  width: 100%;
  background-color: $color-tundora;
  transition: background-color 0.3s;

  &::-webkit-outer-spin-button,
  &::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }

  &:focus {
    color: $color-mineShaft;
    background-color: $color-dustyGray;
    outline: none;
  }
}

@define-mixin inputText {
  appearance: none;
  box-shadow: none;
  border-radius: none;
  text-align: center;
  font-size: 1em;
  color: $color-silver;
  border: none;
  width: 100%;
  background-color: $color-tundora;
  transition: background-color 0.3s;

  &:focus {
    color: $color-mineShaft;
    background-color: $color-dustyGray;
    outline: none;
  }
}

input[type='text'],
input[type='number'] {
  @mixin inputText;
}

input[type='number'] {
  -moz-appearance: textfield;
  &::-webkit-outer-spin-button,
  &::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
}

Fix Firefox input css issue
Fix Firefox input css issue
