1 files changed, 16 insertions, 0 deletions

diff --git a/src/_utils.scss b/src/_utils.scss
index 1d4bbd3..cdb2a32 100644
--- a/src/_utils.scss
+++ b/src/_utils.scss
@@ -247,6 +247,22 @@ $-sizes: (
                 }
             }
         }
+        
+        @include bem.utility('b#{$dir}-1-mute') {
+            border#{$suffix}: props.get(vars.$border-width--thin) solid props.get(vars.$theme, --border-mute);
+
+            @include bem.suffix('light') {
+                @media (prefers-color-scheme: light) {
+                    border#{$suffix}: props.get(vars.$border-width--thin) solid props.get(vars.$theme, --border-mute);
+                }
+            }
+        
+            @include bem.suffix('dark') {
+                @media (prefers-color-scheme: dark) {
+                    border#{$suffix}: props.get(vars.$border-width--thin) solid props.get(vars.$theme, --border-mute);
+                }
+            }
+        }
     }
 
     @include bem.utility('mbs-neutralize') {