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// A map of breakpoints. |
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$breakpoints: ( |
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xs: 576px, |
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sm: 768px, |
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md: 992px, |
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lg: 1200px, |
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); |
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// Respond above. |
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@mixin respond-above($breakpoint) { |
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// If the breakpoint exists in the map. |
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@if map-has-key($breakpoints, $breakpoint) { |
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// Get the breakpoint value. |
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$breakpoint-value: map-get($breakpoints, $breakpoint); |
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// Write the media query. |
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@media (min-width: $breakpoint-value) { |
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@content; |
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} |
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// If the breakpoint doesn't exist in the map. |
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} @else { |
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// Log a warning. |
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@warn 'Invalid breakpoint: #{$breakpoint}.'; |
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} |
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} |
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@mixin respond-below($breakpoint) { |
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// If the breakpoint exists in the map. |
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@if map-has-key($breakpoints, $breakpoint) { |
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// Get the breakpoint value. |
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$breakpoint-value: map-get($breakpoints, $breakpoint); |
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// Write the media query. |
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@media (max-width: ($breakpoint-value - 1)) { |
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@content; |
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} |
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// If the breakpoint doesn't exist in the map. |
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} @else { |
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// Log a warning. |
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@warn 'Invalid breakpoint: #{$breakpoint}.'; |
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} |
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} |
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@mixin respond-between($lower, $upper) { |
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// If both the lower and upper breakpoints exist in the map. |
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@if map-has-key($breakpoints, $lower) and map-has-key($breakpoints, $upper) { |
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// Get the lower and upper breakpoints. |
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$lower-breakpoint: map-get($breakpoints, $lower); |
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$upper-breakpoint: map-get($breakpoints, $upper); |
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// Write the media query. |
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@media (min-width: $lower-breakpoint) and (max-width: ($upper-breakpoint - 1)) { |
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@content; |
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} |
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// If one or both of the breakpoints don't exist. |
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} @else { |
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// If lower breakpoint is invalid. |
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@if (map-has-key($breakpoints, $lower) == false) { |
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// Log a warning. |
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@warn 'Your lower breakpoint was invalid: #{$lower}.'; |
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} |
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// If upper breakpoint is invalid. |
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@if (map-has-key($breakpoints, $upper) == false) { |
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// Log a warning. |
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@warn 'Your upper breakpoint was invalid: #{$upper}.'; |
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} |
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} |
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} |