Fix #1759

sass/elements/container.sass

@@ -1,7 +1,7 @@
 .container
   margin: 0 auto
   position: relative
-  +from($desktop)
+  +desktop
     max-width: $desktop - (2 * $gap)
     width: $desktop - (2 * $gap)
     &.is-fluid
@@ -9,17 +9,17 @@
       margin-right: $gap
       max-width: none
       width: auto
-  +until($widescreen)
+  +until-widescreen
     &.is-widescreen
       max-width: $widescreen - (2 * $gap)
       width: auto
-  +until($fullhd)
+  +until-fullhd
     &.is-fullhd
       max-width: $fullhd - (2 * $gap)
       width: auto
-  +from($widescreen)
+  +widescreen
     max-width: $widescreen - (2 * $gap)
     width: $widescreen - (2 * $gap)
-  +from($fullhd)
+  +fullhd
     max-width: $fullhd - (2 * $gap)
-    width: $fullhd - (2 * $gap)
+    width: $fullhd - (2 * $gap)

sass/utilities/initial-variables.sass

@@ -53,8 +53,10 @@ $tablet: 769px !default
 $desktop: 960px + (2 * $gap) !default
 // 1152px container + 4rem
 $widescreen: 1152px + (2 * $gap) !default
+$widescreen-enabled: true !default
 // 1344px container + 4rem
 $fullhd: 1344px + (2 * $gap) !default
+$fullhd-enabled: true !default
 
 // Miscellaneous
 

sass/utilities/mixins.sass

@@ -99,20 +99,34 @@
     @content
 
 =desktop-only
-  @media screen and (min-width: $desktop) and (max-width: $widescreen - 1px)
-    @content
+  @if $widescreen-enabled
+    @media screen and (min-width: $desktop) and (max-width: $widescreen - 1px)
+      @content
+
+=until-widescreen
+  @if $widescreen-enabled
+    @media screen and (max-width: $widescreen - 1px)
+      @content
 
 =widescreen
-  @media screen and (min-width: $widescreen)
-    @content
+  @if $widescreen-enabled
+    @media screen and (min-width: $widescreen)
+      @content
 
 =widescreen-only
-  @media screen and (min-width: $widescreen) and (max-width: $fullhd - 1px)
-    @content
+  @if $widescreen-enabled and $fullhd-enabled
+    @media screen and (min-width: $widescreen) and (max-width: $fullhd - 1px)
+      @content
+
+=until-fullhd
+  @if $fullhd-enabled
+    @media screen and (max-width: $fullhd - 1px)
+      @content
 
 =fullhd
-  @media screen and (min-width: $fullhd)
-    @content
+  @if $fullhd-enabled
+    @media screen and (min-width: $fullhd)
+      @content
 
 // Placeholders