diff --git a/app/assets/stylesheets/desktop/topic-post.scss b/app/assets/stylesheets/desktop/topic-post.scss
index 1794958c6c9..cc15c5e5941 100644
--- a/app/assets/stylesheets/desktop/topic-post.scss
+++ b/app/assets/stylesheets/desktop/topic-post.scss
@@ -698,7 +698,7 @@ blockquote { /* solo quotes */
 
 .span14 { width: 70%; max-width: 720px; } //main content
 .span2 {max-width: 92px;}
-.span11 {width: 90%; max-width: 580px;}
+.span11 {width: 80%; max-width: 580px;}
 .span5 {max-width: 250px;}