diff --git a/node_modules/material-design-lite/src/animation/_animation.scss b/node_modules/material-design-lite/src/animation/_animation.scss
new file mode 100644
index 0000000..26df669
--- /dev/null
+++ b/node_modules/material-design-lite/src/animation/_animation.scss
@@ -0,0 +1,34 @@
+/**
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@import "../variables";
+
+
+.mdl-animation--default {
+  transition-timing-function: $animation-curve-default;
+}
+
+.mdl-animation--fast-out-slow-in {
+  transition-timing-function: $animation-curve-fast-out-slow-in;
+}
+
+.mdl-animation--linear-out-slow-in {
+  transition-timing-function: $animation-curve-linear-out-slow-in;
+}
+
+.mdl-animation--fast-out-linear-in {
+  transition-timing-function: $animation-curve-fast-out-linear-in;
+}