Bootstrap 3 extra large grid with SASS

_bootstrap-3-extra-large-grid.scss

// for background see http://stackoverflow.com/a/25644266/526258

@import "bootstrap";

// XLarge screen
$screen-xl:             1600px;
$screen-xl-min:         $screen-xl;
$screen-xl-hugedesktop: $screen-xl-min;

// So media queries don't overlap when required, provide a maximum
$screen-lg-max: ($screen-xl-min - 1);

//== Container sizes
// Large screen / wide desktop
$container-xlarge-desktop: ((1540px + $grid-gutter-width));
$container-xl: $container-xlarge-desktop;

// Container widths
//
// Set the container width, and override it for fixed navbars in media queries.
.container {
  @media (min-width: $screen-xl-min) {
    width: $container-xl;
  }
}

@mixin make-grid-xlcolumns($i: 1, $list: ".col-xl-#{$i}") {

  @for $i from (1 + 1) through $grid-columns {
    $list: "#{$list}, .col-xl-#{$i}";
  }

  #{$list} {
    position: relative;
    // Prevent columns from collapsing when empty
    min-height: 1px;
    // Inner gutter via padding
    padding-left:  ($grid-gutter-width / 2);
    padding-right: ($grid-gutter-width / 2);
  }

}

@include make-grid-xlcolumns();
@media (min-width: $screen-xl-min) {
  @include make-grid(xl);
}

// Generate the large columns
@mixin make-xl-column($columns, $gutter: $grid-gutter-width) {
  position: relative;
  min-height: 1px;
  padding-left:  ($gutter / 2);
  padding-right: ($gutter / 2);

  @media (min-width: $screen-xl-min) {
    float: left;
    width: percentage(($columns / $grid-columns));
  }
}

@mixin make-xl-column-offset($columns) {
  @media (min-width: $screen-xl-min) {
    margin-left: percentage(($columns / $grid-columns));
  }
}

@mixin make-xl-column-push($columns) {
  @media (min-width: $screen-xl-min) {
    left: percentage(($columns / $grid-columns));
  }
}

@mixin make-xl-column-pull($columns) {
  @media (min-width: $screen-xl-min) {
    right: percentage(($columns / $grid-columns));
  }
}




//////
// Visibility utilities

@include responsive-invisibility('.visible-xl');

.visible-xl-block,
.visible-xl-inline,
.visible-xl-inline-block {
    display: none !important;
}


@media (min-width: $screen-xl-min) {
    @include responsive-visibility('.visible-xl');
}
.visible-xl-block {
    @media (min-width: $screen-xl-min) {
        display: block !important;
    }
}
.visible-xl-inline {
    @media (min-width: $screen-xl-min) {
        display: inline !important;
    }
}
.visible-xl-inline-block {
    @media (min-width: $screen-xl-min) {
        display: inline-block !important;
    }
}

@media (min-width: $screen-xl-min) {
    @include responsive-invisibility('.hidden-xl');
}

This is great, but isn't it missing all the .visible and .hidden utilities classes that need to be added/updated ?

Add xxl

// XLarge screen
$screen-xl: 1600px;
$screen-xl-min: $screen-xl;
$screen-xl-hugedesktop: $screen-xl-min;

$screen-xxl: 1900px;
$screen-xxl-min: $screen-xxl;
$screen-xxl-hugedesktop: $screen-xxl-min;

// So media queries don't overlap when required, provide a maximum
$screen-lg-max: ($screen-xl-min - 1);
$screen-xl-max: ($screen-xxl-min - 1);

//== Container sizes
// Large screen / wide desktop
$container-xlarge-desktop: ((1540px + $grid-gutter-width));
$container-xl: $container-xlarge-desktop;
$container-xxlarge-desktop: ((1840px + $grid-gutter-width));
$container-xxl: $container-xxlarge-desktop;

// Container widths
//
// Set the container width, and override it for fixed navbars in media queries.
.container {
    @media (min-width: $screen-xl-min) {
        width: $container-xl;
    }
    @media (min-width: $screen-xxl-min) {
        width: $container-xxl;
    }
}

@mixin make-grid-extra-columns($i: 1, $list: ".col-xl-#{$i}, .col-xxl-#{$i}") {

    @for $i from (1 + 1) through $grid-columns {
        $list: "#{$list}, .col-xl-#{$i}, .col-xxl-#{$i}";
    }

    #{$list} {
        position: relative;
        // Prevent columns from collapsing when empty
        min-height: 1px;
        // Inner gutter via padding
        padding-left: ($grid-gutter-width / 2);
        padding-right: ($grid-gutter-width / 2);
    }

}

@include make-grid-extra-columns();

@media (min-width: $screen-xl-min) {
    @include make-grid(xl);
}

@media (min-width: $screen-xxl-min) {
    @include make-grid(xxl);
}

// Generate the large columns
// XL
@mixin make-xl-column($columns, $gutter: $grid-gutter-width) {
    position: relative;
    min-height: 1px;
    padding-left: ($gutter / 2);
    padding-right: ($gutter / 2);

    @media (min-width: $screen-xl-min) {
        float: left;
        width: percentage(($columns / $grid-columns));
    }
}

@mixin make-xl-column-offset($columns) {
    @media (min-width: $screen-xl-min) {
        margin-left: percentage(($columns / $grid-columns));
    }
}

@mixin make-xl-column-push($columns) {
    @media (min-width: $screen-xl-min) {
        left: percentage(($columns / $grid-columns));
    }
}

@mixin make-xl-column-pull($columns) {
    @media (min-width: $screen-xl-min) {
        right: percentage(($columns / $grid-columns));
    }
}

// XXL
@mixin make-xxl-column($columns, $gutter: $grid-gutter-width) {
    position: relative;
    min-height: 1px;
    padding-left: ($gutter / 2);
    padding-right: ($gutter / 2);

    @media (min-width: $screen-xxl-min) {
        float: left;
        width: percentage(($columns / $grid-columns));
    }
}

@mixin make-xxl-column-offset($columns) {
    @media (min-width: $screen-xxl-min) {
        margin-left: percentage(($columns / $grid-columns));
    }
}

@mixin make-xxl-column-push($columns) {
    @media (min-width: $screen-xxl-min) {
        left: percentage(($columns / $grid-columns));
    }
}

@mixin make-xxl-column-pull($columns) {
    @media (min-width: $screen-xxl-min) {
        right: percentage(($columns / $grid-columns));
    }
}

// Visibility utilities

@include responsive-invisibility('.visible-xl');
@include responsive-invisibility('.visible-xxl');

.visible-xl-block,
.visible-xl-inline,
.visible-xl-inline-block,
.visible-xxl-block,
.visible-xxl-inline,
.visible-xxl-inline-block {
    display: none !important;
}


@media (min-width: $screen-xl-min) {
    @include responsive-visibility('.visible-xl');
}

@media (min-width: $screen-xxl-min) {
    @include responsive-visibility('.visible-xxl');
}
// XL
.visible-xl-block {
    @media (min-width: $screen-xl-min) {
        display: block !important;
    }
}

.visible-xl-inline {
    @media (min-width: $screen-xl-min) {
        display: inline !important;
    }
}

.visible-xl-inline-block {
    @media (min-width: $screen-xl-min) {
        display: inline-block !important;
    }
}
// XXL
.visible-xxl-block {
    @media (min-width: $screen-xxl-min) {
        display: block !important;
    }
}

.visible-xxl-inline {
    @media (min-width: $screen-xxl-min) {
        display: inline !important;
    }
}

.visible-xxl-inline-block {
    @media (min-width: $screen-xxl-min) {
        display: inline-block !important;
    }
}

// XL
@media (min-width: $screen-xl-min) {
    @include responsive-invisibility('.hidden-xl');
}
// XXL
@media (min-width: $screen-xxl-min) {
    @include responsive-invisibility('.hidden-xxl');
}