How to use the @pluralsight/ps-design-system-core.type.fontSizeSmall function in @pluralsight/ps-design-system-core

},

  // __calendar__skipped-day
  '.psds-date-picker__calendar__skipped-day': dayDimensions,

  // __calendar__switcher
  '.psds-date-picker__calendar__switcher': {
    display: 'flex',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: layout.spacingMedium
  },

  // __calendar__switcher__month
  '.psds-date-picker__calendar__switcher__month': {
    fontSize: type.fontSizeSmall
  }
}

},
  [`.psds-text-input__icon.psds-theme--${themeNames.light}`]: {
    color: colors.gray02
  },
  [`.psds-text-input__icon--icon-align-${vars.iconAligns.right}`]: {
    left: 'auto',
    right: layout.spacingXSmall
  },
  [`.psds-text-input__icon--appearance-${vars.appearances.subtle}`]: {
    color: colors.gray02
  },

  // __label
  '.psds-text-input__label': {
    color: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingBottom: layout.spacingXSmall
  },
  [`.psds-text-input__label.psds-theme--${themeNames.light}`]: {
    color: colors.gray05
  },

  // __sub-label
  '.psds-text-input__sub-label': {
    color: colors.gray02,
    fontSize: type.fontSizeXSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingTop: layout.spacingXSmall
  },

background: colors.white,
    color: colors.gray03
  },
  '.psds-error-page__search__icon': {
    position: 'absolute',
    left: layout.spacingXSmall,
    width: iconWidths.medium,
    height: iconWidths.medium,
    fill: colors.gray02
  },
  '.psds-error-page__search__input': {
    position: 'relative',
    height: '40px',
    padding: `0 ${layout.spacingXSmall} 0 calc(${layout.spacingXSmall} + ${iconWidths.medium} + ${layout.spacingXSmall})`,
    color: colors.gray02,
    fontSize: type.fontSizeSmall,
    lineHeight: type.lineHeightStandard,
    background: 'none',
    border: `1px solid ${colors.gray03}`,
    borderRadius: '2px'
  },
  [`.psds-error-page__search__input.psds-theme--${themeNames.light}`]: {
    color: colors.gray03
  },

  '@media (min-width: 769px)': {
    '.psds-error-page': {
      paddingTop: '92px'
    },

    // __text > h1
    '.psds-error-page__text > h1': {

color: colors.gray03,
    cursor: 'pointer',
    background: 'none',
    border: 'none'
  },
  [`.psds-date-picker__icon.psds-theme--${themeNames.light}`]: {
    color: colors.gray02
  },
  [`.psds-date-picker__icon--appearance-${vars.appearances.subtle}`]: {
    color: colors.gray02
  },

  // __label
  '.psds-date-picker__label': {
    color: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingBottom: layout.spacingXSmall
  },
  [`.psds-date-picker__label.psds-theme--${themeNames.light}`]: {
    color: colors.gray05
  },

  // __sub-label
  '.psds-date-picker__sub-label': {
    color: colors.gray02,
    fontSize: type.fontSizeXSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingTop: layout.spacingXSmall
  },

'.psds-text-area': {
    display: 'inline-block',
    width: '100%',
    maxWidth: '496px'
  },
  '.psds-text-area--disabled': {
    opacity: 0.5
  },

  '.psds-text-area__field': {
    position: 'relative',
    minHeight: '104px',
    width: '100%',
    borderRadius: '2px',
    background: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: type.lineHeightStandard,
    fontWeight: type.fontWeightBook,
    color: colors.gray03,
    padding: `${layout.spacingXSmall} ${layout.spacingMedium}`,
    border: 'none'
  },
  '.psds-text-area__field:focus': {
    outline: 'none'
  },
  [`.psds-text-area__field.psds-theme--${themeNames.light}:focus`]: {
    border: '1px solid transparent'
  },
  [`.psds-text-area__field--error.psds-theme--${themeNames.light}`]: {
    border: '1px solid transparent'
  },
  [`.psds-text-area__field.psds-theme--${themeNames.light}`]: {

},
  [`.psds-text-area__field.psds-theme--${themeNames.light}`]: {
    background: colors.white,
    border: `1px solid ${colors.gray02}`
  },

  '.psds-text-area__field-container': {
    position: 'relative',
    display: 'flex',
    alignItems: 'center'
  },

  '.psds-text-area__label': {
    width: '100%',
    color: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingBottom: layout.spacingXSmall
  },
  [`.psds-text-area__label.psds-theme--${themeNames.light}`]: {
    color: colors.gray05
  },

  '.psds-text-area__sub-label': {
    color: colors.gray02,
    fontSize: type.fontSizeXSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingTop: layout.spacingXSmall
  },
  [`.psds-text-area__sub-label.psds-theme--${themeNames.light}`]: {

position: 'relative',
    width: '100%'
  },
  '.psds-text-input__field.psds-text-input--small': {
    height: '32px',
    padding: `6px ${layout.spacingXSmall}`
  },
  '.psds-text-input__field--w-after': {
    paddingRight: 0
  },
  '.psds-text-input__field-input': {
    width: '100%',
    background: 'none',
    border: 'none',
    color: 'inherit',
    fontSize: type.fontSizeSmall,
    lineHeight: type.lineHeightStandard,
    outline: 'none',
    padding: 0,

    '&:focus': {
      outline: 'none'
    }
  },
  [`.psds-text-input__field.psds-theme--${themeNames.light}`]: {
    background: colors.white,
    border: `1px solid ${colors.gray02}`,

    '&:focus': {
      border: '1px solid transparent'
    }
  },