app/assets/stylesheets/admin/settings/media-queries.sass
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// Media Breakpoints
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$breakpoint-large: 60em !default
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// Media Ranges
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$small-range: (0, $breakpoint-large) !default
$large-range: ($breakpoint-large+ em-calc(1), em-calc(9999999)) !default
////////////////////
// Media Queries
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$screen: "only screen"
$small-only: "#{$screen} and (max-width: #{$breakpoint-large})"
$large-up: "#{$screen} and (min-width: #{$breakpoint-large})"