diff --git a/app/assets/stylesheets/wiki_syntax_detailed.css b/app/assets/stylesheets/wiki_syntax_detailed.css
index 602b94128..bde14c578 100644
--- a/app/assets/stylesheets/wiki_syntax_detailed.css
+++ b/app/assets/stylesheets/wiki_syntax_detailed.css
@@ -58,6 +58,8 @@ table.sample { border-collapse: collapse; border-spacing: 0; margin: 4px; margin
 table.sample th, table.sample td { border: solid 1px var(--oc-gray-5); padding: 4px; block-size: 1em; }
 table.list td { background-color: var(--oc-gray-0); vertical-align: middle; padding: 0.3em;}
 
+blockquote { font-style: italic; border-inline-start: 3px solid var(--oc-gray-3); padding-inline-start: 0.6em; margin-inline-start: 0;}
+
 .syntaxhl .c1 { color: #888888 }
 .syntaxhl .k { color: #008800; font-weight: bold }
 .syntaxhl .nc { color: #BB0066; font-weight: bold }