diff --git a/_sass/minimal-mistakes/_utilities.scss b/_sass/minimal-mistakes/_utilities.scss
index 4aa30f77..b15f6714 100644
--- a/_sass/minimal-mistakes/_utilities.scss
+++ b/_sass/minimal-mistakes/_utilities.scss
@@ -372,6 +372,12 @@ body:hover .visually-hidden button {
   .navicon:after {
     background: mix(#000, $primary-color, 25%);
   }
+
+  &.close {
+    .navicon {
+      background: transparent;
+    }
+  }
 }
 
 /*