Add license header to CSS files

Change-Id: I55f27b08332d5fadb6e485286b49a2099e9a78c1

Author: DavidScales

flask/01-basic-app/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;

flask/02-sign-in/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;

flask/03-query-parameters/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;

flask/04-content-attachments/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;

flask/05-activity-attachments/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;

flask/06-grade-sync/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;

flask/07-external-attachments/webapp/static/base-style.css

@@ -1,3 +1,16 @@
+/* Copyright 2022 Google LLC
+
+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
+
+     https://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 {
     font-family: 'Roboto', sans-serif;
     font-size: 16px;