$font-family: Roboto, 'Helvetica Neue', sans-serif !default;
$font-size:   10px !default;
$display-4-font-size-base: rem(11.20) !default;
$display-3-font-size-base: rem(5.600) !default;
$display-2-font-size-base: rem(4.500) !default;
$display-1-font-size-base: rem(3.400) !default;
$headline-font-size-base:  rem(2.400) !default;
$title-font-size-base:     rem(2.000) !default;
$subhead-font-size-base:   rem(1.600) !default;
$body-font-size-base:      rem(1.400) !default;
$caption-font-size-base:   rem(1.200) !default;
$baseline-grid:            8px !default;
$layout-gutter-width:      ($baseline-grid * 2) !default;
$layout-breakpoint-xs:     600px !default;
$layout-breakpoint-sm:     960px !default;
$layout-breakpoint-md:     1280px !default;
$layout-breakpoint-lg:     1920px !default;
$button-left-right-padding: rem(0.600) !default;
$icon-size: rem(2.400) !default;
$app-bar-height: 64px !default;
$toast-height: $baseline-grid * 3 !default;
$toast-margin: $baseline-grid * 1 !default;
$shadow-key-umbra-opacity:      0.2 !default;
$shadow-key-penumbra-opacity:   0.14 !default;
$shadow-ambient-shadow-opacity: 0.12 !default;
$whiteframe-shadow-1dp: 0px 1px 3px 0px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 1px 1px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 2px 1px -1px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-2dp: 0px 1px 5px 0px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 2px 2px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 3px 1px -2px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-3dp: 0px 1px 8px 0px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 3px 4px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 3px 3px -2px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-4dp: 0px 2px 4px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 4px 5px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 1px 10px 0px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-5dp: 0px 3px 5px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 5px 8px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 1px 14px 0px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-6dp: 0px 3px 5px -1px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 6px 10px 0px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 1px 18px 0px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-7dp: 0px 4px 5px -2px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 7px 10px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 2px 16px 1px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-8dp: 0px 5px 5px -3px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 8px 10px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 3px 14px 2px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-9dp: 0px 5px 6px -3px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 9px 12px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 3px 16px 2px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-10dp: 0px 6px 6px -3px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 10px 14px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 4px 18px 3px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-11dp: 0px 6px 7px -4px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 11px 15px 1px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 4px 20px 3px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-12dp: 0px 7px 8px -4px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 12px 17px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 5px 22px 4px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-13dp: 0px 7px 8px -4px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 13px 19px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 5px 24px 4px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-14dp: 0px 7px 9px -4px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 14px 21px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 5px 26px 4px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-15dp: 0px 8px 9px -5px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 15px 22px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 6px 28px 5px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-16dp: 0px 8px 10px -5px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 16px 24px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 6px 30px 5px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-17dp: 0px 8px 11px -5px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 17px 26px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 6px 32px 5px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-18dp: 0px 9px 11px -5px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 18px 28px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 7px 34px 6px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-19dp: 0px 9px 12px -6px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 19px 29px 2px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 7px 36px 6px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-20dp: 0px 10px 13px -6px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 20px 31px 3px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 8px 38px 7px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-21dp: 0px 10px 13px -6px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 21px 33px 3px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 8px 40px 7px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-22dp: 0px 10px 14px -6px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 22px 35px 3px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 8px 42px 7px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-23dp: 0px 11px 14px -7px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 23px 36px 3px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 9px 44px 8px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$whiteframe-shadow-24dp: 0px 11px 15px -7px rgba(0, 0, 0, $shadow-key-umbra-opacity), 0px 24px 38px 3px rgba(0, 0, 0, $shadow-key-penumbra-opacity), 0px 9px 46px 8px rgba(0, 0, 0, $shadow-ambient-shadow-opacity) !default;
$z-index-toast: 105 !default;
$z-index-tooltip: 100 !default;
$z-index-menu: 100 !default;
$z-index-calendar-pane: 100 !default;
$z-index-select: 90 !default;
$z-index-dialog: 80 !default;
$z-index-bottom-sheet: 70 !default;
$z-index-scroll-mask: 50 !default;
$z-index-scroll-mask-bar: 65 !default;
$z-index-sidenav: 60 !default;
$z-index-backdrop: 50 !default;
$z-index-fab: 20 !default;
$z-index-progress-circular: 2 !default; // Used to fix animation bug in Chrome
$swift-ease-out-duration: 0.4s !default;
$swift-ease-out-timing-function: cubic-bezier(0.25, 0.8, 0.25, 1) !default;
$swift-ease-out: all $swift-ease-out-duration $swift-ease-out-timing-function !default;
$swift-ease-in-duration: 0.3s !default;
$swift-ease-in-timing-function: cubic-bezier(0.55, 0, 0.55, 0.2) !default;
$swift-ease-in: all $swift-ease-in-duration $swift-ease-in-timing-function !default;
$swift-ease-in-out-duration: 0.5s !default;
$swift-ease-in-out-timing-function: cubic-bezier(0.35, 0, 0.25, 1) !default;
$swift-ease-in-out: all $swift-ease-in-out-duration $swift-ease-in-out-timing-function !default;
$swift-linear-duration: 0.08s !default;
$swift-linear-timing-function: linear !default;
$swift-linear: all $swift-linear-duration $swift-linear-timing-function !default;
$material-enter-duration: 0.3s;
$material-enter-timing-function: cubic-bezier(0.0, 0.0, 0.2, 1);
$material-enter: all $material-enter-duration $material-enter-timing-function;
$material-leave-duration: 0.3s;
$material-leave-timing-function: cubic-bezier(0.4, 0.0, 1, 1);
$material-leave: all $material-leave-duration $material-leave-timing-function;
$button-fab-width: rem(5.600) !default;
$button-fab-height: rem(5.600) !default;
$button-fab-padding: rem(1.60) !default;
$checkbox-width: 20px !default;
$checkbox-height: $checkbox-width !default;
$checkbox-border-radius: 2px !default;
$checkbox-border-width: 2px !default;
$baseline-grid:            8px !default;
$layout-gutter-width:      ($baseline-grid * 2) !default;
$layout-breakpoint-xs:     600px !default;
$layout-breakpoint-sm:     960px !default;
$layout-breakpoint-md:     1280px !default;
$layout-breakpoint-lg:     1920px !default;
// Typography
// ------------------------------

//-- Must be defined before $font-size.
@function rem($multiplier) {
  @return $multiplier * $font-size;
}



// Layout
// ------------------------------



// Button

// Icon

// App bar variables


// Whiteframes


// NOTE(shyndman): gulp-sass seems to be failing if I split the shadow defs across
//    multiple lines. Ugly. Sorry.

// Z-indexes
//--------------------------------------------


// Easing Curves
//--------------------------------------------







// Fab Buttons (shared between buttons.scss and fab*.scss)
// -------------------------------------------


// Shared Checkbox variables

@mixin margin-selectors($before:1em, $after:1em, $start:0px, $end:0px) {
  -webkit-margin-before: $before;
  -webkit-margin-after: $after;
  -webkit-margin-start: $start;
  -webkit-margin-end: $end;
}

@mixin not-selectable($value:none) {
  -webkit-touch-callout: $value;
  -webkit-user-select: $value;
  -khtml-user-select: $value;
  -moz-user-select: $value;
  -ms-user-select: $value;
  user-select: $value;
}

@mixin input-placeholder-color($color) {
  $pseudos: '::-webkit-input-placeholder', ':-moz-placeholder', '::-moz-placeholder',
            ':-ms-input-placeholder',  '::-webkit-input-placeholder';

  // It is important to export every pseudo within its own block, because otherwise the placeholder
  // won't be set on the most browsers.
  @each $pseudo in $pseudos {
    &#{$pseudo} {
      color: unquote($color);
    }
  }
}

@mixin pie-clearfix {
  &:after {
    content: '';
    display: table;
    clear: both;
  }
}

@mixin md-shadow-bottom-z-1() {
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
}

@mixin md-shadow-bottom-z-2() {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.4);
}

// Mixin for a "flat" input that can be used for components that contain an input
// (datepicker, autocomplete).
@mixin md-flat-input() {
  font-size: 14px;

  box-sizing: border-box;
  border: none;
  box-shadow: none;
  outline: none;
  background: transparent;

  // The "clear X" that IE adds to input[type="search"]
  &::-ms-clear {
    display: none;
  }
}

// Typography mixins

@mixin md-title() {
  font-size: $title-font-size-base;
  font-weight: 500;
  letter-spacing: 0.005em;
}

@mixin md-body-1() {
  font-size: $body-font-size-base;
  font-weight: 400;
  letter-spacing: 0.010em;
  line-height: rem(2);
}

@mixin md-body-2() {
  font-size: $body-font-size-base;
  font-weight: 500;
  letter-spacing: 0.010em;
  line-height: rem(2.4);
}

@mixin md-subhead() {
  font-size: $subhead-font-size-base;
  font-weight: 400;
  letter-spacing: 0.010em;
  line-height: rem(2.4);
}

@function map-to-string($map) {
  $map-str: '{';
  $keys: map-keys($map);
  $len: length($keys);
  @for $i from 1 through $len {
    $key: nth($keys, $i);
    $value: map-get($map, $key);
    $map-str: $map-str + '_' + $key + '_: _' + map-get($map, $key) + '_';
    @if $i != $len {
      $map-str: $map-str + ',';
    }
  }
  @return $map-str + '}';
}

// This is a mixin, which fixes IE11's vertical alignment issue, when using `min-height`.
// See https://connect.microsoft.com/IE/feedback/details/816293/
@mixin ie11-min-height-flexbug($min-height) {
  &::before {
    content: '';
    min-height: $min-height;
    visibility: hidden;
    display: inline-block;
  }
}

// mixin definition ; sets LTR and RTL within the same style call
// @see https://css-tricks.com/almanac/properties/d/direction/

@mixin rtl($prop, $ltr-value, $rtl-value) {
  #{$prop}: $ltr-value;
  [dir=rtl] & {
    #{$prop}: $rtl-value;
  }
}

@mixin rtl-prop($ltr-prop, $rtl-prop, $value, $reset-value) {
  #{$ltr-prop}: $value;
  [dir=rtl] & {
    #{$ltr-prop}: $reset-value;
    #{$rtl-prop}: $value;
  }
}

// To reverse padding (top left bottom right) -> (top right bottom left)
@function rtl-value($list) {
  @if length($list) == 4 {
    @return nth($list, 1) nth($list, 4) nth($list, 3) nth($list, 2)
  }
  @if length($list) == 5 {
    @return nth($list, 1) nth($list, 4) nth($list, 3) nth($list, 2) nth($list, 5)
  }
  @return $list;
}

// Position a FAB button.
@mixin fab-position($spot, $top: auto, $right: auto, $bottom: auto, $left: auto) {
  &.md-fab-#{$spot} {
    top: $top;
    right: $right;
    bottom: $bottom;
    left: $left;
    position: absolute;
  }
}

@mixin fab-all-positions() {
  @include fab-position(bottom-right, auto, ($button-fab-width - $button-fab-padding)/2, ($button-fab-height - $button-fab-padding)/2, auto);
  @include fab-position(bottom-left, auto, auto, ($button-fab-height - $button-fab-padding)/2, ($button-fab-width - $button-fab-padding)/2);
  @include fab-position(top-right, ($button-fab-height - $button-fab-padding)/2, ($button-fab-width - $button-fab-padding)/2, auto, auto);
  @include fab-position(top-left, ($button-fab-height - $button-fab-padding)/2, auto, auto, ($button-fab-width - $button-fab-padding)/2);
}

// This mixin allows a user to use the md-checkbox css outside of the
// md-checkbox directive.
// See src/components/select/select.scss for an example.
@mixin checkbox-container(
  $checkedSelector: '.md-checked',
  $width: $checkbox-width,
  $height: $checkbox-height,
  $border-width: $checkbox-border-width,
  $border-radius: $checkbox-border-radius) {
  .md-container {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);

    box-sizing: border-box;
    display: inline-block;

    width: $width;
    height: $height;
    @include rtl(left, 0, auto);
    @include rtl(right, auto, 0);

    &:before {
      box-sizing: border-box;
      background-color: transparent;
      border-radius: 50%;
      content: '';
      position: absolute;
      display: block;
      height: auto;
      left: 0;
      top: 0;
      right: 0;
      bottom: 0;
      transition: all 0.5s;
      width: auto;
    }

    &:after {
      box-sizing: border-box;
      content: '';
      position: absolute;
      top: -10px;
      right: -10px;
      bottom: -10px;
      left: -10px;
    }

    .md-ripple-container {
      position: absolute;
      display: block;
      width: auto;
      height: auto;
      left: -15px;
      top: -15px;
      right: -15px;
      bottom: -15px;
    }
  }

  // unchecked
  .md-icon {
    box-sizing: border-box;
    transition: 240ms;
    position: absolute;
    top: 0;
    left: 0;
    width: $width;
    height: $height;
    border-width: $border-width;
    border-style: solid;
    border-radius: $border-radius;
  }

  &#{$checkedSelector} .md-icon {
    border-color: transparent;

    &:after {
      box-sizing: border-box;
      transform: rotate(45deg);
      position: absolute;
      left: $width / 3 - $border-width;
      top: $width / 9 - $border-width;
      display: table;
      width: $width / 3;
      height: $width * 2 / 3;
      border-width: $border-width;
      border-style: solid;
      border-top: 0;
      border-left: 0;
      content: '';
    }
  }

  // disabled
  &[disabled] {
    cursor: default;
  }

  &.md-indeterminate .md-icon {
    &:after {
      box-sizing: border-box;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      display: table;
      width: $width * 0.6;
      height: $border-width;
      border-width: $border-width;
      border-style: solid;
      border-top: 0;
      border-left: 0;
      content: '';
    }
  }
}

// Mixin to create a primary checkbox.
// Used by the checkbox and select component.
@mixin checkbox-primary($checkedSelector: '.md-checked') {
  .md-ripple {
    color: '{{primary-600}}';
  }

  &#{$checkedSelector} .md-ripple {
    color: '{{background-600}}';
  }

  .md-ink-ripple {
    color: '{{foreground-2}}';
  }

  &#{$checkedSelector} .md-ink-ripple {
    color: '{{primary-color-0.87}}';
  }

  &:not(.md-checked) .md-icon {
    border-color: '{{foreground-2}}';
  }

  &#{$checkedSelector} .md-icon {
    background-color: '{{primary-color-0.87}}';
  }

  &#{$checkedSelector}.md-focused .md-container:before {
    background-color: '{{primary-color-0.26}}';
  }

  &#{$checkedSelector} .md-icon:after {
    border-color: '{{primary-contrast-0.87}}';
  }

  & .md-indeterminate[disabled] {
    .md-container {
      color: '{{foreground-3}}';
    }
  }
}

@mixin dense($prop, $normal, $dense) {
  #{$prop}: $normal;
  .md-dense > &:not(.md-dense-disabled),
  .md-dense :not(.md-dense-disabled) &:not(.md-dense-disabled) {
    #{$prop}: $dense;
  }
}

@mixin dense-rtl($prop, $ltr-normal, $rtl-normal, $ltr-dense, $rtl-dense) {
  @include rtl($prop, $ltr-normal, $rtl-normal);
  .md-dense > &:not(.md-dense-disabled),
  .md-dense :not(.md-dense-disabled) &:not(.md-dense-disabled) {
    @include rtl($prop, $ltr-dense, $rtl-dense);
  }
}

/*
*
*  Responsive attributes
*
*  References:
*  1) https://scotch.io/tutorials/a-visual-guide-to-css3-flexbox-properties#flex
*  2) https://css-tricks.com/almanac/properties/f/flex/
*  3) https://css-tricks.com/snippets/css/a-guide-to-flexbox/
*  4) https://github.com/philipwalton/flexbugs#3-min-height-on-a-flex-container-wont-apply-to-its-flex-items
*  5) http://godban.com.ua/projects/flexgrid
*
*/

// Layout
// ------------------------------



@-moz-document url-prefix() {
  [layout-fill] {
    margin: 0;
    width: 100%;
    min-height: 100%;
    height: 100%;
  }
}


@mixin flex-order-for-name($sizes:null) {
  @if $sizes == null {
    $sizes : '';

    [flex-order] {
     order : 0;
    }
  }

  @for $i from -20 through 20 {
    $order : '';
    $suffix : '';

    @each $s in $sizes {
      @if $s != '' { $suffix : '-#{$s}="#{$i}"'; }
      @else        { $suffix : '="#{$i}"';       }

      $order : '[flex-order#{$suffix}]';
    }

    #{$order} {
      order: #{$i};
    }
  }
}
@mixin offset-for-name($sizes:null) {
  @if $sizes == null { $sizes : ''; }

  @for $i from 0 through 19 {
    $offsets : '';
    $suffix : '';

    @each $s in $sizes {
      @if $s != '' { $suffix : '-#{$s}="#{$i * 5}"'; }
      @else        { $suffix : '="#{$i * 5}"';       }

      $offsets : $offsets + '[flex-offset#{$suffix}], ';
    }

    #{$offsets} {
      margin-left: #{$i * 5 + '%'};
    }
  }

  @each $i in 33 {
    $offsets : '';
    $suffix : '';

    @each $s in $sizes {
      @if $s != '' {  $suffix : '-#{$s}="#{$i}"';   }
      @else        {  $suffix : '="#{$i}"';         }

      $offsets : '[flex-offset#{$suffix}], ';
    }

    #{$offsets} {
      margin-left: calc(100% / 3);
    }
  }

  @each $i in 66  {
    $offsets : '';
    $suffix : '';

    @each $s in $sizes {
      @if $s != '' {  $suffix : '-#{$s}="#{$i}"';   }
      @else        {  $suffix : '="#{$i}"';         }

      $offsets : '[flex-offset#{$suffix}]';
    }

    #{$offsets} {
      margin-left: calc(200% / 3);
    }
  }
}

@mixin layout-for-name($name: null) {
  @if $name == null { $name : '';          }
  @if $name != ''   { $name : '-#{$name}'; }

  [layout#{$name}], [layout#{$name}="column"], [layout#{$name}="row"] {
    box-sizing: border-box;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
  }
  [layout#{$name}="column"] {  flex-direction: column;  }
  [layout#{$name}="row"]    {  flex-direction: row;     }
}

@mixin flex-properties-for-name($name: null) {
  $flexName: 'flex';
  @if $name != null {
    $flexName: 'flex-#{$name}';
    $name : '-#{$name}';
  } @else {
    $name : '';
  }

  [#{$flexName}]             { flex: 1;         box-sizing: border-box; }  // === flex: 1 1 0%;

  [#{$flexName}-grow]        { flex: 1 1 100%;  box-sizing: border-box; }
  [#{$flexName}-initial]     { flex: 0 1 auto;  box-sizing: border-box; }
  [#{$flexName}-auto]        { flex: 1 1 auto;  box-sizing: border-box; }
  [#{$flexName}-none]        { flex: 0 0 auto;  box-sizing: border-box; }

  // (1-20) * 5 = 0-100%
  @for $i from 0 through 20 {
    $value : #{$i * 5 + '%'};

    [#{$flexName}="#{$i * 5}"] {
      flex: 1 1 #{$value};
      max-width: #{$value};
      max-height: 100%;
      box-sizing: border-box;
    }

    [layout="row"] > [#{$flexName}="#{$i * 5}"] {
      flex: 1 1 #{$value};
      max-width: #{$value};
      max-height: 100%;
      box-sizing: border-box;
    }

    [layout="column"] > [#{$flexName}="#{$i * 5}"] {
      flex: 1 1 #{$value};
      max-width: 100%;
      max-height: #{$value};
      box-sizing: border-box;
    }

    [layout="row"] {
	    > [#{$flexName}="33"]   , > [#{$flexName}="33"]     {  flex: 1 1 33.33%;  max-width: 33.33%;  max-height: 100%; box-sizing: border-box; }
	    > [#{$flexName}="66"]   , > [#{$flexName}="66"]     {  flex: 1 1 66.66%;  max-width: 66.66%;  max-height: 100%; box-sizing: border-box; }
	  }
	  
	  [layout="column"] {
	    > [#{$flexName}="33"]   , > [#{$flexName}="33"]     {  flex: 1 1 33.33%;  max-width: 100%;  max-height: 33.33%; box-sizing: border-box; }
	    > [#{$flexName}="66"]   , > [#{$flexName}="66"]     {  flex: 1 1 66.66%;  max-width: 100%;  max-height: 66.66%; box-sizing: border-box; }
	  }

    [layout#{$name}="row"] > [#{$flexName}="#{$i * 5}"] {
      flex: 1 1 #{$value};
      max-width: #{$value};
      max-height: 100%;
      box-sizing: border-box;
    }

    [layout#{$name}="column"] > [#{$flexName}="#{$i * 5}"] {
      flex: 1 1 #{$value};
      max-width: 100%;
      max-height: #{$value};
      box-sizing: border-box;
    }
  }

  [layout#{$name}="row"] {
    > [#{$flexName}="33"]   , > [#{$flexName}="33"]     {  flex: 1 1 33.33%;  max-width: 33.33%;  max-height: 100%; box-sizing: border-box; }
    > [#{$flexName}="66"]   , > [#{$flexName}="66"]     {  flex: 1 1 66.66%;  max-width: 66.66%;  max-height: 100%; box-sizing: border-box; }
  }

  [layout#{$name}="column"] {
    > [#{$flexName}="33"]   , > [#{$flexName}="33"]     {  flex: 1 1 33.33%;  max-width: 100%;  max-height: 33.33%; box-sizing: border-box; }
    > [#{$flexName}="66"]   , > [#{$flexName}="66"]     {  flex: 1 1 66.66%;  max-width: 100%;  max-height: 66.66%; box-sizing: border-box; }
  }

}
@mixin layout-align-for-name($suffix: null) {

  // Alignment attributes for layout containers' children
  // Arrange on the Main Axis
  // center, start, end, space-between, space-around
  // flex-start is the default for justify-content
  // ------------------------------

  $name: 'layout-align';
  @if $suffix != null {
    $name: 'layout-align-#{$suffix}';
  }
  
  [#{$name}],
  [#{$name}="start stretch"] // defaults
  {
    justify-content :flex-start;
    align-content : stretch;
    align-items: stretch;
  }
  // Main Axis Center
  [#{$name}="start"],
  [#{$name}="start start"],
  [#{$name}="start center"],
  [#{$name}="start end"],
  [#{$name}="start stretch"]
  {
    justify-content: flex-start;
  }

  // Main Axis Center
  [#{$name}="center"],
  [#{$name}="center start"],
  [#{$name}="center center"],
  [#{$name}="center end"],
  [#{$name}="center stretch"]
  {
    justify-content: center;
  }

  // Main Axis End
  [#{$name}="end"], //stretch
  [#{$name}="end center"],
  [#{$name}="end start"],
  [#{$name}="end end"],
  [#{$name}="end stretch"]
  {
    justify-content: flex-end;
  }

  // Main Axis Space Around
  [#{$name}="space-around"], //stretch
  [#{$name}="space-around center"],
  [#{$name}="space-around start"],
  [#{$name}="space-around end"],
    [#{$name}="space-around stretch"]
  {
    justify-content: space-around;
  }

  // Main Axis Space Between
  [#{$name}="space-between"], //stretch
  [#{$name}="space-between center"],
  [#{$name}="space-between start"],
  [#{$name}="space-between end"],
    [#{$name}="space-between stretch"]
  {
    justify-content: space-between;
  }


  // Arrange on the Cross Axis
  // center, start, end
  // stretch is the default for align-items
  // ------------------------------

  // Cross Axis Start
  [#{$name}="start start"],
  [#{$name}="center start"],
  [#{$name}="end start"],
  [#{$name}="space-between start"],
  [#{$name}="space-around start"]
  {
    align-items: flex-start;
    align-content: flex-start;
  }

  // Cross Axis Center
  [#{$name}="start center"],
  [#{$name}="center center"],
  [#{$name}="end center"],
  [#{$name}="space-between center"],
  [#{$name}="space-around center"]
  {
    align-items: center;
    align-content: center;
    max-width: 100%;
  }

  // Cross Axis Center IE overflow fix
  [#{$name}="start center"] > *,
  [#{$name}="center center"] > *,
  [#{$name}="end center"] > *,
  [#{$name}="space-between center"] > *,
  [#{$name}="space-around center"] > *
  {
    max-width: 100%;
    box-sizing: border-box;
  }

  // Cross Axis End
  [#{$name}="start end"],
  [#{$name}="center end"],
  [#{$name}="end end"],
  [#{$name}="space-between end"],
  [#{$name}="space-around end"]
  {
    align-items: flex-end;
    align-content: flex-end;
  }

  // Cross Axis  stretch
  [#{$name}="start stretch"],
  [#{$name}="center stretch"],
  [#{$name}="end stretch"],
  [#{$name}="space-between stretch"],
  [#{$name}="space-around stretch"]
  {
    align-items: stretch;
    align-content: stretch;
  }
}
@mixin layout-padding-margin() {

  [layout-padding] > [flex-sm],   [layout-padding] > [flex-lt-md] {
    padding: $layout-gutter-width / 4;
  }
  [layout-padding],
  [layout-padding] > [flex],
  [layout-padding] > [flex-gt-sm],
  [layout-padding] > [flex-md],
  [layout-padding] > [flex-lt-lg]
  {
    padding: $layout-gutter-width / 2;
  }
  [layout-padding] > [flex-gt-md],
  [layout-padding] > [flex-lg]
  {
    padding: $layout-gutter-width / 1;
  }

  [layout-margin] > [flex-sm],
  [layout-margin] > [flex-lt-md]
  {
    margin: $layout-gutter-width / 4;
  }

  [layout-margin],
  [layout-margin]  > [flex],
  [layout-margin]  > [flex-gt-sm],
  [layout-margin]  > [flex-md],
  [layout-margin]  > [flex-lt-lg]
  {
    margin: $layout-gutter-width / 2;
  }

  [layout-margin]  > [flex-gt-md],
  [layout-margin]  > [flex-lg]
  {
    margin: $layout-gutter-width / 1;
  }

  [layout-wrap] {
    flex-wrap: wrap;
  }

  [layout-nowrap] {
      flex-wrap: nowrap;
  }

  [layout-fill] {
    margin: 0;
    width: 100%;
    min-height: 100%;
    height: 100%;
  }
}

@mixin layouts_for_breakpoint($name:null) {
    @include flex-order-for-name($name);
    @include offset-for-name($name);
    @include layout-align-for-name($name);

    @include flex-properties-for-name($name);
    @include layout-for-name($name);
}

/*
 *  Apply Mixins to create Layout/Flexbox styles
 *
 */


@include layouts_for_breakpoint();
@include layout-padding-margin();


/**
 * `hide-gt-sm show-gt-lg` should hide from 600px to 1200px
 * `show-md hide-gt-sm` should show from 0px to 960px and hide at >960px
 * `hide-gt-md show-gt-sm` should show everywhere (show overrides hide)`
 *
 *  hide means hide everywhere
 *  Sizes:
 *         $layout-breakpoint-xs:     600px !default;
 *         $layout-breakpoint-sm:     960px !default;
 *         $layout-breakpoint-md:     1280px !default;
 *         $layout-breakpoint-lg:     1920px !default;
 */


@media (max-width: $layout-breakpoint-xs - 1) {
  // Xtra-SMALL  SCREEN
  [hide-xs], [hide] {
    &:not([show-xs]):not([show]) {
      display: none;
    }
  }
  @include layouts_for_breakpoint(xs);
}

@media (min-width: $layout-breakpoint-xs) {
  // BIGGER THAN Xtra-SMALL SCREEN
  @include layouts_for_breakpoint(gt-xs);

}

@media (min-width: $layout-breakpoint-xs) and (max-width: $layout-breakpoint-sm - 1) {
  // SMALL SCREEN
  [hide], [hide-gt-xs] {
    &:not([show-gt-xs]):not([show-sm]):not([show]) {
      display: none;
    }
  }
  [hide-sm]:not([show-gt-xs]):not([show-sm]):not([show]) {
    display: none;
  }
  @include layouts_for_breakpoint(sm);
}

@media (min-width: $layout-breakpoint-sm) {
  // BIGGER THAN SMALL SCREEN
  @include layouts_for_breakpoint(gt-sm);

}

@media (min-width: $layout-breakpoint-sm) and (max-width: $layout-breakpoint-md - 1) {
  // MEDIUM SCREEN
  [hide], [hide-gt-xs], [hide-gt-sm] {
      &:not([show-gt-xs]):not([show-gt-sm]):not([show-md]):not([show]) {
        display: none;
      }
    }
    [hide-md]:not([show-md]):not([show]) {
      display: none;
    }
  @include layouts_for_breakpoint(md);
}

@media (min-width: $layout-breakpoint-md) {
  // BIGGER THAN MEDIUM SCREEN
  @include layouts_for_breakpoint(gt-md);
}

@media (min-width: $layout-breakpoint-md) and (max-width: $layout-breakpoint-lg - 1) {
  // LARGE SCREEN
  [hide],[hide-gt-xs], [hide-gt-sm], [hide-gt-md] {
      &:not([show-gt-xs]):not([show-gt-sm]):not([show-gt-md]):not([show-lg]):not([show]) {
        display: none;
      }
    }
    [hide-lg]:not([show-lg]):not([show]) {
      display: none;
    }

  @include layouts_for_breakpoint(lg);
}

@media (min-width: $layout-breakpoint-lg) {
  // BIGGER THAN LARGE SCREEN
  @include layouts_for_breakpoint(gt-lg);
  @include layouts_for_breakpoint(xl);

  // BIGGER THAN LARGE SCREEN
  [hide], [hide-gt-xs], [hide-gt-sm], [hide-gt-md], [hide-gt-lg] {
    &:not([show-gt-xs]):not([show-gt-sm]):not([show-gt-md]):not([show-gt-lg]):not([show-xl]):not([show]) {
      display: none;
    }
  }
  [hide-xl]:not([show-xl]):not([show-gt-lg]):not([show]) {
    display: none;
  }
}

@media print {
  // PRINT
  @include layouts_for_breakpoint(print);
  
  [hide-print]:not([show-print]):not([show]) {
    display: none;
  }
}