diff --git a/stylesheets/singularitygs/_css-grid.scss b/stylesheets/singularitygs/_css-grid.scss
index 8e42fec..ed2038a 100644
--- a/stylesheets/singularitygs/_css-grid.scss
+++ b/stylesheets/singularitygs/_css-grid.scss
@@ -102,40 +102,42 @@
 @mixin css-grid-span($Span, $Location: false) {
   $grid: find-grid();
 
-  @if type-of($grid) == 'number' or length($grid) == 1 {
-    // If we have a symmetric grid _and_ no location, Float Span makes most sense
-    @if $Location == false {
-      @include float-span($Span, $Location);
-    }
-    // If we have an symmetric grid _and_ a location, Isolation Span makes most sense
-    @else {
-      @include isolation-span($Span, $Location);
-    }
-  }
-  @else if type-of($grid) == 'list' or length($grid) > 1 {
-    $calc: false;
-    @each $column in $grid {
-      @if not unitless($column) {
-        $calc: true;
+  @supports not(display: grid) {
+    @if type-of($grid) == 'number' or length($grid) == 1 {
+      // If we have a symmetric grid _and_ no location, Float Span makes most sense
+      @if $Location == false {
+        @include float-span($Span, $Location);
+      }
+      // If we have an symmetric grid _and_ a location, Isolation Span makes most sense
+      @else {
+        @include isolation-span($Span, $Location);
       }
     }
+    @else if type-of($grid) == 'list' or length($grid) > 1 {
+      $calc: false;
+      @each $column in $grid {
+        @if not unitless($column) {
+          $calc: true;
+        }
+      }
 
-    // If we have an asymmetric grid _and_ it includes united numbers, needs to be Calc
-    @if ($calc) {
-      @include calc-span($Span, $Location);
-    }
-    // If we have an asymmetric grid _and_ it doesn't include united numbers, Islotion's better
-    @else {
-      @include isolation-span($Span, $Location);
+      // If we have an asymmetric grid _and_ it includes united numbers, needs to be Calc
+      @if ($calc) {
+        @include calc-span($Span, $Location);
+      }
+      // If we have an asymmetric grid _and_ it doesn't include united numbers, Islotion's better
+      @else {
+        @include isolation-span($Span, $Location);
+      }
     }
   }
 
   @supports (display: grid) {
     @if $Location {
-      grid-columns: $Location / span $Span;
+      grid-column: $Location / span $Span;
     }
     @else {
-      grid-columns: span $Span;
+      grid-column: span $Span;
     }
   }
 }
\ No newline at end of file