diff --git a/file/importer.go b/file/importer.go
index 5a470ac..3e77e52 100644
--- a/file/importer.go
+++ b/file/importer.go
@@ -1,3 +1,17 @@
+// Copyright (c) 2014, B3log
+// 
+// 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.
+
 package file
 
 import (
diff --git a/static/css/themes/default.css b/static/css/themes/default.css
index a394616..6da6ef1 100644
--- a/static/css/themes/default.css
+++ b/static/css/themes/default.css
@@ -1,18 +1,19 @@
 /* 
  * Copyright (c) 2014, B3log
- *  
+ * 
  * 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.
- */
+ */ 
+
 .side {
     background-color: #FFF;
     border-right: 1px solid #919191;
diff --git a/static/css/wide.css b/static/css/wide.css
index d3de974..e065cfe 100644
--- a/static/css/wide.css
+++ b/static/css/wide.css
@@ -1,15 +1,15 @@
 /* 
  * Copyright (c) 2014, B3log
- *  
+ * 
  * 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 CONDIT#buildRunIONS OF ANY KIND, either express or implied.
+ * 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.
  */