--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default/assets/scss/vendors/bootstrap/utilities/_spacing.scss	Sat May 31 09:21:51 2025 +0800
@@ -0,0 +1,41 @@
+// Margin and Padding
+
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    @each $prop, $abbrev in (margin: m, padding: p) {
+      @each $size, $length in $spacers {
+
+        .#{$abbrev}#{$infix}-#{$size}  { #{$prop}:        $length !important; }
+        .#{$abbrev}t#{$infix}-#{$size} { #{$prop}-top:    $length !important; }
+        .#{$abbrev}r#{$infix}-#{$size} { #{$prop}-right:  $length !important; }
+        .#{$abbrev}b#{$infix}-#{$size} { #{$prop}-bottom: $length !important; }
+        .#{$abbrev}l#{$infix}-#{$size} { #{$prop}-left:   $length !important; }
+        .#{$abbrev}x#{$infix}-#{$size} {
+          #{$prop}-right: $length !important;
+          #{$prop}-left:  $length !important;
+        }
+        .#{$abbrev}y#{$infix}-#{$size} {
+          #{$prop}-top:    $length !important;
+          #{$prop}-bottom: $length !important;
+        }
+      }
+    }
+
+    // Some special margin utils
+    .m#{$infix}-auto  { margin:        auto !important; }
+    .mt#{$infix}-auto { margin-top:    auto !important; }
+    .mr#{$infix}-auto { margin-right:  auto !important; }
+    .mb#{$infix}-auto { margin-bottom: auto !important; }
+    .ml#{$infix}-auto { margin-left:   auto !important; }
+    .mx#{$infix}-auto {
+      margin-right: auto !important;
+      margin-left:  auto !important;
+    }
+    .my#{$infix}-auto {
+      margin-top:    auto !important;
+      margin-bottom: auto !important;
+    }
+  }
+}