str-fr(selector, name, i = '')
  unquote(replace(unquote('<i>'), unquote(i), replace(unquote('<name>'), unquote(name), unquote(selector))))

str-fe(selector, name, noProc, i = '')
  if noProc
    return str-fr(selector, name, i)
  return unquote(join(',', str-fr(selector, '', i) str-fr(selector, name, i)))

ie_style = @block

  /* Min Height */
  .q-item,
  .q-toolbar,
  .q-notification
    &:after
      content ''
      font-size 0
      visibility collapse
      display inline
      width 0

  .q-banner > .q-banner__avatar
    min-height 38px
  .q-banner--dense > .q-banner__avatar
    min-height 20px
  .q-item:after
    min-height 32px
  .q-list--dense > .q-item,
  .q-item--dense
    &after
      min-height 24px
  .q-toolbar:after
    min-height $toolbar-min-height
  .q-notification
    &--standard:after
      min-height 48px
    &--multi-line
      min-height 68px

  /* Flex Basis */
  .q-btn__wrapper,
  .q-btn__content,
  .q-time__content,
  .q-toolbar__title,
  .q-menu .q-item__section--main
    flex-basis auto

  .q-banner__content,
  .q-notification__message
    flex-basis 0 !important

  .q-menu,
  .q-dialog__inner
    > .q-banner > .q-banner__content
      flex-basis auto !important

  .q-tab__content
    flex-basis auto
    min-width 100%

  .column
    min-width 0%

  for $name, $size in $sizes
    $noProcNotZero = $size > 0
    @media (min-width $size)
      {str-fe('.col<name>', s('-%s', unquote($name)), $noProcNotZero)}
        .row > &, .flex > &
          flex-basis auto
          min-width 0%

  /* QItem */
  .q-item
    &__section
      &--avatar
        // overwritten above by min-width 0%
        min-width 56px

  /* QBtn */
  button.q-btn--actionable:active:hover
    .q-btn__wrapper
      margin -1px 1px 1px -1px

  .q-btn-group--push
    > button.q-btn--push.q-btn--actionable:active:hover
      .q-btn__wrapper
        margin 1px 1px -1px -1px

  .q-btn
    display inline-flex
    flex-wrap nowrap

  /* QCarousel */
  .q-carousel__slide > *
    max-width 100%

  /* QTabs */
  .q-tabs--vertical
    .q-tab__indicator
      height auto

  /* QSpinner */
  .q-spinner
    animation q-ie-spinner 2s linear infinite /* rtl:ignore */
    transform-origin center center /* rtl:ignore */
    opacity .5

    &.q-spinner-mat .path
      stroke-dasharray 89, 200

  /* QToggle Icon */
  .q-toggle__thumb
    .q-icon
      margin-left -6px

  /* QDate, QTime */
  .q-date__main
    min-height 290px !important
  .q-date__months
    align-items stretch
  .q-time--portrait .q-time__main,
    display flex
    flex-direction column
    flex-wrap nowrap
    flex 1 0 auto

  /* QField */
  .q-field
    &__prefix, &__suffix
      flex 1 0 auto

    ::-ms-clear
      display none

    &__bottom--stale
      .q-field__messages
        left 12px

    &--borderless, &--standard
      .q-field__bottom--stale
        .q-field__messages
          left 0

    &--float .q-field__label
      max-width 100%

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none)
  {ie_style}

@supports (-ms-ime-align:auto)
  {ie_style}

@keyframes q-ie-spinner
  0%
    opacity .5
  50%
    opacity 1
  100%
    opacity .5