add sass/scratch.scss and associated sass files

Resources/public/sass/contrib/bourbon/css3/_transition.scss

@@ -0,0 +1,71 @@
+// Shorthand mixin. Supports multiple parentheses-deliminated values for each variable.
+// Example: @include transition (all 2s ease-in-out);
+//          @include transition (opacity 1s ease-in 2s, width 2s ease-out);
+//          @include transition-property (transform, opacity);
+
+@mixin transition($properties...) {
+  // Fix for vendor-prefix transform property
+  $needs-prefixes: false;
+  $webkit: ();
+  $moz: ();
+  $spec: ();
+
+  // Create lists for vendor-prefixed transform
+  @each $list in $properties {
+    @if nth($list, 1) == "transform" {
+      $needs-prefixes: true;
+      $list1: -webkit-transform;
+      $list2: -moz-transform;
+      $list3: ();
+
+      @each $var in $list {
+        $list3: join($list3, $var);
+
+        @if $var != "transform" {
+          $list1: join($list1, $var);
+          $list2: join($list2, $var);
+        }
+      }
+
+      $webkit: append($webkit, $list1);
+      $moz:    append($moz,    $list2);
+      $spec:   append($spec,   $list3);
+    } @else {
+      $webkit: append($webkit, $list, comma);
+      $moz:    append($moz,    $list, comma);
+      $spec:   append($spec,   $list, comma);
+    }
+  }
+
+  @if $needs-prefixes {
+    -webkit-transition: $webkit;
+       -moz-transition: $moz;
+            transition: $spec;
+  } @else {
+    @if length($properties) >= 1 {
+      @include prefixer(transition, $properties, webkit moz spec);
+    } @else {
+      $properties: all 0.15s ease-out 0s;
+      @include prefixer(transition, $properties, webkit moz spec);
+    }
+  }
+}
+
+@mixin transition-property($properties...) {
+  -webkit-transition-property: transition-property-names($properties, "webkit");
+     -moz-transition-property: transition-property-names($properties, "moz");
+          transition-property: transition-property-names($properties, false);
+}
+
+@mixin transition-duration($times...) {
+  @include prefixer(transition-duration, $times, webkit moz spec);
+}
+
+@mixin transition-timing-function($motions...) {
+  // ease | linear | ease-in | ease-out | ease-in-out | cubic-bezier()
+  @include prefixer(transition-timing-function, $motions, webkit moz spec);
+}
+
+@mixin transition-delay($times...) {
+  @include prefixer(transition-delay, $times, webkit moz spec);
+}