diff --git a/modules/git/hooks.go b/modules/git/hooks.go
index b8d15e5e7..5b3c88a93 100644
--- a/modules/git/hooks.go
+++ b/modules/git/hooks.go
@@ -83,7 +83,7 @@ func (h *Hook) Update() error {
 	if len(strings.TrimSpace(h.Content)) == 0 {
 		return os.Remove(h.path)
 	}
-	return ioutil.WriteFile(h.path, []byte(h.Content), os.ModePerm)
+	return ioutil.WriteFile(h.path, []byte(strings.Replace(h.Content, "\r", "", -1)), os.ModePerm)
 }
 
 // ListHooks returns a list of Git hooks of given repository.
diff --git a/templates/repo/diff.tmpl b/templates/repo/diff.tmpl
index 30a983ac9..9dac1cac9 100644
--- a/templates/repo/diff.tmpl
+++ b/templates/repo/diff.tmpl
@@ -74,7 +74,7 @@
         </div>
 
         {{range .Diff.Files}}
-        <div class="panel diff-file-box diff-box file-content" id="diff-{{.Index}}">
+        <div class="panel panel-radius diff-file-box diff-box file-content" id="diff-{{.Index}}">
             <div class="panel-header">
                 <div class="diff-counter count pull-left">
                     {{if not .IsBin}}