Add margin for docbook article

Signed-off-by: Frank Li <lznuaa@gmail.com>

diff --git a/doc/source/styles_chm.css b/doc/source/styles_chm.css
index 6738102..607887c 100644 (file)
--- a/doc/source/styles_chm.css
+++ b/doc/source/styles_chm.css
@@ -114,6 +114,7 @@ div.sect3,
 div.preface,\r
 div.appendix, \r
 div.section, \r
+div.article,\r
 div.glossary {\r
        margin: 20px;\r
 }\r