diff --git a/node_modules/material-design-lite/src/ripple/_ripple.scss b/node_modules/material-design-lite/src/ripple/_ripple.scss
new file mode 100644
index 0000000..cbf86eb
--- /dev/null
+++ b/node_modules/material-design-lite/src/ripple/_ripple.scss
@@ -0,0 +1,42 @@
+/**
+ * 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-ripple {
+  background       : $ripple-bg-color;
+  border-radius    : 50%;
+  height           : 50px;
+  left             : 0;
+  opacity          : 0;
+  pointer-events   : none;
+  position         : absolute;
+  top              : 0;
+  transform        : translate(-50%, -50%);
+  width            : 50px;
+  overflow         : hidden;
+
+  &.is-animating {
+    transition: transform 0.3s $animation-curve-linear-out-slow-in,
+    width 0.3s $animation-curve-linear-out-slow-in,
+    height 0.3s $animation-curve-linear-out-slow-in,
+    opacity 0.6s $animation-curve-linear-out-slow-in;
+  }
+
+  &.is-visible {
+    opacity: 0.3;
+  }
+}