message: [improvement] Picker: update style
diff: &__toolbar {
  display: flex;
  - height: 40px;
  - line-height: 40px;
  + height: 44px;
  + line-height: 44px;
  justify-content: space-between;
  }
  &__confirm {
  color: $blue;
  padding: 0 15px;
  + font-size: 14px;
  &:active {
  background-color: $active-color;
  &__title {
  max-width: 50%;
  + font-size: 16px;
  + font-weight: 500;
  text-align: center;
  }
  color: $gray-dark;
  &--selected {
  - color: $black;
  + font-weight: 500;
  + color: $text-color;
  }
  &--disabled {
  