added license
diff --git a/services/self-service/src/main/resources/webapp/src/assets/styles/app-loading.scss b/services/self-service/src/main/resources/webapp/src/assets/styles/app-loading.scss
index aa43b4b..f96a335 100644
--- a/services/self-service/src/main/resources/webapp/src/assets/styles/app-loading.scss
+++ b/services/self-service/src/main/resources/webapp/src/assets/styles/app-loading.scss
@@ -1,3 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 //body,
 //html {
 //  height: 100%;