Flutter Bench content

packages/site_shared/lib/_sass/base/_breakpoints.scss

@@ -0,0 +1,31 @@
+@use 'sass:map';
+
+$breakpoints: (
+        'sm': 640px,
+        'md': 768px,
+        'lg': 1024px,
+        'xl': 1280px,
+        '2xl': 1536px,
+        'max': 1440px,
+        '3xl': 1920px,
+);
+
+@mixin screen($name) {
+  $value: map.get($breakpoints, $name);
+  @if $value == null {
+    @error 'Unknown breakpoint: #{$name}';
+  }
+  @media (min-width: $value) {
+    @content;
+  }
+}
+
+@mixin screen-below($name) {
+  $value: map.get($breakpoints, $name);
+  @if $value == null {
+    @error 'Unknown breakpoint: #{$name}';
+  }
+  @media (max-width: $value - 1px) {
+    @content;
+  }
+}